SAFETY SERIES:– 15 | SAFE WORKING INSTRUCTIONS WHEN WORKING ON ELECTRICAL COMPONENTS

SAFETY SERIES:- 15

SAFE WORKING INSTRUCTIONS WHEN WORKING ON ELECTRICAL COMPONENTS

GENERAL

 

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This general instruction is valid for installation, servicing and modernization work done on elevators. It describes safe working procedures for preventing electric shock and other possible hazards from unwanted movement of equipment to yourself and others when working on elevators. Read and follow all related instructions.

Electrical work on elevators may be done by authorized persons only. Where more than one person is working on an installation, the responsibilities and tasks for electrical safety should be clarified by the supervisor before the work is started.

Do not work on live equipment unless it is absolutely necessary (e.g fault finding,fine tuning, etc.) If necessary a standard hazard and risk assessment, should be made to define when to work live and when to isolate.
 
TOOLS AND SAFETY EQUIPMENT
 
General

Ensure that you have the necessary tools and equipment to complete your work tasks safely.
Use only approved insulated tools, which are in a serviceable condition. Electrical test instruments must comply with IS regulations.

Safety Equipment
 
Tools, equipment and devices must be used in accordance with the instructions and/or guidance provided by the manufacturer or supplier.
Examples of tools, equipment and devices:

• Insulating shoes and gloves
• Eye or face protection
• Head protection
• Insulated and insulating tools
• Locks, notices and signs

SAFETY PRECAUTIONS
 
Familiarize yourself with the site and the building representatives

• Get familiar with the working practices and the safety procedures of the work site.
• To ensure your safety, liaison with the site agent / builder / building owner or his representative is recommended especially where single man working is involved. Tell the building / site representative where you are working and when. If possible, ensure that a responsible person periodically monitors your welfare.
• Avoid working in a building that is otherwise unoccupied. 

Working Area

• Be aware of all the electrical risks, (including other non-elevator equipment), in the working area.
• These should be minimized by guarding, (temporary or permanent). If this is not possible you must maintain a safe working distance from any exposed conductors.
• Keep your work areas clear. Do not unnecessarily open covers, shields or guards. Replace them immediately when you have completed your work task. This rule applies even if you have planned further work at a later stage.
• Where necessary place safety warning signs and barriers to protect both yourself and others.

Other people who may be affected by your work

• Ensure that your work is not causing any safety hazard to other people in the building. Place warning and information signs as required. Agree with the building owner or his representatives about the appropriate safety measures.
• Keep the machine room doors locked unless you are actually working in there.
• When working in the lift well and it is necessary to keep the landing door open, protect the working areas on the landings so that other building users cannot come into contact with elevator equipment.

The elevator and its associated equipment
 
Take time to familiarize yourself with the elevator if it is new to you. This is particularly important when working with other manufacturer’s equipment where the level of training and information available may vary and circuit diagrams are in an unfamiliar style. Even if you have worked on the same elevator before, check for possible changes, (where applicable refer to the elevator logbook for past service history). Ensure that you know the location of all isolators and fuses.
 
Ensure you have adequate information to do the work and fully understand all the possible effects of your actions.
 
Read the manuals, circuit and wiring diagrams and other available relevant material. Ensure that the material you are reading is up to date - IF IN DOUBT -ASK. Talk to your supervisor if you have any doubts about the working method or safety related issues.

 
Environment

• Check that there is no potential hazard for yourself or others in the immediate vicinity of the elevator, (other equipment, water, oil leaks etc, ...).
• Do not cause environmental hazards. Use suitable containers for the removal of old rope oil.

Areas of Special Risk

• Assess requirements for safety signage, high voltage warnings and procedures.
• Ensure there is sufficient lighting for you to do your work safely.
• If working in a multiple well installation ensure you are not at risk from moving parts of an adjacent elevator. If there is no well protection between adjacent elevators, if possible, arrange for the adjacent elevators to be switched off and keep all the cars at the same working level.
• If it is not possible to switch off adjacent elevators ensure you maintain a safe working distance from all moving parts.
• Be aware of the risks from overcrowding if more than one person is working in a restricted space.
• Be aware of the risks from unexpected movement of the elevator or associated components.
• Watch out for other hazards such as oil, tripping etc.
• Check all the supplies to the elevator including lighting supplies and any other optional devices. Check also for possible emergency back up supplies,common supplies to all elevators in the case of multiple installations and other “kick back” energy sources.

Protect Yourself

• Before commencing work in the lift well area, ensure that you are able to exit the well quickly and safely in all circumstances.
• Do not deviate from the prescribed working method.
• Use personal protective equipment as required. Wherever possible, avoid working on live equipment when you are on your own.
• Never attempt to make repairs when equipment is live.
• When it is necessary to work with live equipment take extreme care to avoid any possibility of hand to hand, or hand to foot/leg electric shock. Keep one hand away from the electrical conductors and any possible earthing connections. Use clip on leads for the test equipment particularly on the negative terminal.
• When working on an elevator installation there are many components which are likely to be at earth potential, these can include control panels, connection boxes and trunking, landing doors, guide rails and ropes.
• Do not wear jewelry, I.D. badges with metal chains or other loose items of conducting material which may put you at risk.

Evaluate the situation

• ALWAYS ASSUME THAT EQUIPMENT IS STILL LIVE UNTIL IT HAS BEEN TESTED FOR ZERO ENERGY STATE - Locking and tagging must be used wherever possible.
• Always test, using approved equipment that equipment is safe, ie. DEENERGISED. Do not rely on LED’s or other indicator lights and always allow sufficient time for all stored energy to discharge.
• Check the measuring tools to ensure they are operative.
• Ensure that switching off the power will not affect other people (e.g. people in the elevator car).

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SAFETY SERIES:- 14 | TAKE 5 (5 STEPS TO ENSURE ELECTRICAL SAFETY)

SAFETY SERIES 
 

FIVE STEPS TO ENSURE ELECTRICAL SAFETY

STEP 1: Disconnect Power Supply completely

1. 

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   Safe procedures for de-energizing the equipment shall be determined before circuits are de-energized.
2. Ensure ALL electrical energy sources are identified and disconnected including elevator main switch, lighting switches, auxiliary supplies, emergency batteries, and emergency generators.
3. All stored energy must be released. Do not attempt to discharge capacitors, this is highly dangerous and will damage the equipment. Allow capacitors to discharge normally and then test to ensure that they are safely de-energised. Secure any machinery that may be capable of producing electrical energy from moving.  
• WARNING!
  When rotated manually, for example when moving the car/counterweight by releasing the brake, machines will act as generators and may recharge the intermediate circuit to some extent even though the power is turned off.
4. Depending on the work task it may be necessary for other non-electrical stored energy to be made safe, (counterweight / car may need supporting.) Ensure there is no other possibility of moving equipment that may cause, trapping, falling or crushing hazards.

STEP 2: Secure against Re-connection

1. A lock and tag must be placed on each switch. Always lock the switch. If this is not possible agree an alternative safe method with your supervisor.
2. The tag must state clearly:

• The equipment MUST NOT be turned on.
• The name of the person responsible for removing the tag.
• If it is not possible to fit a lock one additional safety element to the tag must be provided, (e.g. removal of fuses and storage in a secure place).

STEP 3: Verify that the Installation is De-energized
 
Test and inspect that the circuit is safely de-energized using suitable approved test equipment.
 
The test must verify that:

• There are no energized circuits.
• There are no related risks from capacitance, induced voltages or otherfeedback.

WARNING
Inverter drives usually remain energised for about 5 minutes after the power has been disconnected. DO NOT work on the drive, hoisting motor or braking resistors until you have verified that this energy has been discharged.

Where voltages above 600V DC or 400V AC are tested the test equipment must be checked before and after the test.
 
STEP 4: Check the requirements for Earthing in special circumstances

1. Emergency Back Up Supplies (in the event of mains power failure)
 
Some buildings such as hospitals and large computing facilities are equipped with emergency power supplies, usually these are generators but sometimes a completely independent power source is utilized.
It is essential that you, together with your supervisor, liaise with the building owner or his appointed representative to verify that the emergency back up supply is also safely disconnected from the elevator equipment and that this disconnection has not impaired the function of other essential facilities in the building.

2. Bonding of Conductors

• This is employed in very rare cases where the isolation of electrical equipment is made at a remote location and it is considered necessary for safety reasons.
• This technique is not normally used with low voltage (below 1000v ac) supplies.
• The operation may only be carried out by qualified personnel in co-operation with the person responsible for the building electrification who must ensure that the technique can be safely employed in this situation.
• When this technique is employed all conductors supplying the elevator equipment should be bonded together and to the MAIN EARTH of the building. Earth bonding may be achieved by connecting conductors of suitable size to carry the potential short circuit currents to the electrical installation earthing system.

STEP 5: Provide protection against adjacent live parts

If there are parts of an electrical installation in the vicinity of the work location,that cannot be de-energized, then special additional precautions are necessary and shall be applied before work starts.

1. Provide protection by screen, barrier, enclosure or insulating covering.
2. If the measures above cannot be carried out, protection shall be provided by maintaining a safe distance to bare live parts and when necessary, providing appropriate supervision.

WARNING
When working in the vicinity of moving parts (For example, a neighbour elevator left in use), the additional protections may be needed.

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SAFETY SERIES: – 11 | Electrical Safety

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SAFETY SERIES

ELECTRICAL SAFETY

A flip of a switch, a click of a button, a turn of a knob – most of us could not get through the day without using something that requires electricity. We use this powerful resource so easily that we often forget the power and potential danger that it poses if used incorrectly. Electrical energy can ignite fires, cause electrical shock and burns – and even kill.
 
Electrical safety is the personal responsibility of every individual, both at home and at work. Those who work in elevator industry are at risk of injury from electricity during

• Taking temporary power supply while installing elevators
• Using powered hand tools
• While working near live parts without switching off the supply etc., Besides the risk to personnel, electricity is a potential source of ignition and a spark, arc or heat created by electricity can ignite flammable gases and combustible mists.

Copy machines, computers, lights, power and extension cords are all sources of electrical hazards in the workplace. Combustible and flammable materials near electricity can also contribute to office fires. Faulty fixtures, electrical signs and cords and plugs also can cause fires.
 
Fire is not the only potential hazard of electricity. Current from electrical equipment can flow through your body to the ground, causing an electrical shock. It only takes a small amount of electrical current (in milliamperes) to hurt or kill you. A small emergency light, for example, that draw just 50 milliamperes of energy can cause a shock that could be fatal.

How badly an electrical shock injure you depends on several factors:

• The amount of current that passes through the body
• The duration of contact with the power source
• The area of contact with the conductive surface
• The degree of pressure on the contact surface
• The amount of moisture on the skin, and
• The route or path of the electrical current through the body to the ground

Understanding how dangerous electricity can be is only first step towards electrical safety. You can greatly reduce your exposure to electrical hazards by following sound electrical safety practices.
 
Working on or near energised equipment
 
Take these precautions before working on or near energised equipment.

• De-energise the electrical equipment before starting maintenance, repair or testing.
• Electrically test and ground, the equipment, where appropriate, before working on it.
• Use proper grounding techniques for any operation where static electricity could become an ignition source.
• De-energise all overhead power lines; visibly guard them whenever contact is possible. Make sure that all ladders, vehicles, cranes, mechanical equipment or scaffolds are located at a safe distance from overhead power lines.

Electrical cords and temporary wiring

Take these precautions when working with electrical cords and temporary wiring:

• Check and replace defective cords and plugs. Look for frayed wiring, loose connections, or cracked insulation.
• Keep some slack in flexible cords to prevent tension on electrical connections.
• Do not splice cords. Use only approved ends and connection devices.
• Install permanent wiring when use is not temporary. Extension cords are for emergency use only.

Equipment and tool grounding
 
Take these precautions when working with electrical equipment and tools:

• Verify that all tools and equipment are grounded. Portable hand tools not manufactured with means of grounding should be double-insulated.
• Ground exposed parts of fixed equipment that could become energised.
• Use shields, barriers, barricades with signs to prevent accidental contact.
• Never expose electrical equipment or power cords to water.
• Replace any equipment that sparks, stalls or runs hot.

Office electrical safety
 
Take these precautions when at the office:

• Ensure that cords are not twisted or overloaded by plugging too many appliances into an outlet.
• Avoid plugging one extension cord into another.
• Do not pinch extension cords under or behind furniture.
• Keep heat-producing appliances away from anything that might catch fire.
• Leave space for air to circulate around heat-producing electrical equipment such as copy machines and computers.
• Designate an employee to turn off and unplug all appliances at the end of each workday.
• Immediately report any damaged or defective equipment, tools, machinery, or wiring and remove it from service, if possible.

Short circuit arcing faults
 
Short circuits occur when conductors come in contact with an electrical circuit.
Metal screwdrivers, wrenches, and test instruments are examples of conductors.

A short circuit can lead to unimpeded arcing (a discharge of electricity through gas or air) until a circuit breaker, fuse or ELCB opens the circuit. But even if the circuit is opened, portions of the conductors or nearby metallic materials in path of the arc can explode. This can shower the area with hot molten metal that can penetrate clothing and the body and can cause severe burns. Flashing associated with an arc can cause permanent eye damage. To protect yourself, always switch the power off before working on electrical equipment.
 
Electrical Shock Emergency

The human body conducts electrical current upon contact. The current travel through both arms, through an arm or leg, or through any body part to the ground. There is a certain level (0.015 to 0.020 amperes) at which an individual cannot voluntarily free himself from the circuit. At higher current values (more than 0.10 amperes), ventricular fibrillation and / or heart failure can occur.
 
Electrical shock can indirectly cause other types of injuries. Broken bones may be the result of a fall if the victim is startled, rendered unconscious, or thrown by the strong muscle contractions caused by the electrical current. A fall could also injure the head, spine, and internal organs. Brain injuries from electrical shock can cause permanent personality changes, decreased mental capacity, seizure disorders, depression and anxiety.

Here are some guidelines on responding to an electrical shock emergency.

• Stay calm and assess the situation. Look for indications that this is an electrical shock accident. The victim is near or touching an electrical device, there are burns on the victim’s body where current entered and exited, or the victim suffered convulsions caused by the current.
• Do not touch the victim while he is in contact with the electricity or you too will be shocked. Make certain that no one else touches the power source.
• Disconnect the source of electrical power by unplugging the cord or switching off the main circuit breaker. If the power source cannot be isolated, use a dry, non-conductive object such as rubber or wood to move the victim away from the equipment or power source. Never, under any circumstances, use an item or object that is wet, metallic or conductive. Make sure that you are standing on a dry surface (your hands and feet should also be dry).
• Call for help: dial 102 or local emergency number.
•  After removing the power source or pulling the victim to safety, determine if he is breathing or has a pulse. If the victim is not breathing, start rescue breathing. If the victim has no pulse, begin Cardio Pulmonary Resuscitation (CPR) immediately - If you are qualified to administer CPR. Electrical shock can interfere with the normal rhythm of the heart, causing it to beat unevenly or even to stop.
• Do not move the victim again until medical help arrives. Keep the victim warm and calm. If there are other injuries such as head injuries, fractures, lacerations, or burns, treat them with appropriate first aid while waiting for medical help.

Electrical safety is critical. Learn how to recognise electrical hazards, take safety precautions to protect yourself against them, and react appropriately to an electrical emergency to save yourself or a co-worker.

 

 

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SAFETY SERIES –7 | Electrical Hazards

SAFETY SERIES –7

ELECTRICAL HAZARDS

Almost any kind of job you can think of today involves using electricity. That is why it is important for everyone to understand how to avoid electrical shock. 

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There are many different kinds of electrical hazards, depending on the kind of place where you work. Some job sites have high voltage installations and some use small electrical equipment. But whether the electrical shock comes from an overhead (high voltage) transmission line or an incorrectly grounded power tool, the results can be equally fatal.

Besides electrical shock, electricity can also cause other hazards.

1. Electrical shock can cause the startled victim to fall from a ladder.
2. Electricity causes burns, including severe internal burns.
3. Electricity can cause fires, for instance when circuits are overloaded and the resulting heat sets off a fire.
4. Electricity can cause explosions, as would be the case if an electrical spark occurred in presence of a flammable vapor, gas or dust.

When electricity enters the human body, it can affect the heart beat, brain function and breathing. It can cause immediate death or serious injury. Under adverse conditions, even small amounts of electricity can kill a person. So never take any electrical device for granted.

Follow these tips to avoid electrical shock:

• Always make sure all electrical equipment you use is in good condition. Report any problems, so the equipment can be repaired or replaced.
• Never do repairs on electrical equipment unless you are both authorized and qualified to do so. Fatal accidents have been caused by poorly repaired equipment.
• Use only correctly grounded equipment. Never use three-pronged cords which have had the third prong broken off. Make sure grounding connections are secure.
• Watch for wires and connections, which are damaged, worn or broken.
• Use a Ground Fault Circuit Interrupter (GFCI) / ELCB when using electrical equipment outdoors or in a damp area. Do not use electrical equipment which is damp or which may have been merged in water. Do not handle any electrical equipment, including cords and plugs, with wet hands.
• When unplugging a cord, pull on the plug rather than the cord.
• Never use a ladder made of aluminum or one with metal reinforcement when doing any electrical work. This includes changing a light bulb.
• Determine if there are any overhead hazards such as power lines and electrical installations. Take precautions when using ladders, poles or pipes so as to avoid contacting overhead or live electrical lines.
• Don’t ever use water on an electrical fire. Use only an extinguisher designed specifically for electrical fires (CO2 type fire extinguishers). Know where to locate and how to use this extinguisher in your workplace.

Always be alert to electrical hazards, no matter what kind of work you do. Be sure to use electrical safety sense at home too.

 

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SAFETY SERIES:- 3 | Electricity is useful but it can be dangerous too..

Safety Series - 3

Electricity is useful but it can be dangerous too..

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Electricity helps us in many ways to do your work efficiently, but electricity can be dangerous if misused. Always be cautious when you use electricity. To be on the safe side, follow these simple guidelines.

• Check all wires regularly to ensure that they are in perfect condition. If unsure about an electrical wire, assume it is energized. Do not touch it and report to a Supervisor / Engineer.
• Never insert bare wires into a socket, always use a plug.
• Use three-pin plugs to protect yourself from shock. Keep electrical equipment properly grounded. Never remove a ground pin to fit a plug into a two-pin un-grounded outlet.
• Do not pull out the plug by the cord. Remove it with firm grip on the plug.
• Wear approved rubber gloves when working near live-wires/terminals.
• Do not try to repair electrical equipment if you are not an electrician. Only qualified electricians should work on electrical equipment.
• Never use electrical equipment if your hands are wet or if you’re standing on a wet surface. Water and electricity can be a fatal combination.
• Immediately switch off electrical equipment that sparks or smokes and report the condition to the Supervisor / Engineer.

BE ALERT… USE ELECTRICITY SAFELY…

 

 

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Wires can mean Death

Wires can mean Death

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In contemporary wiring, individual wires are run in a sheathed cable or conduit. The white wire is neutral and the green wire is ground wire. The "hot wire/' is usually black or red, and they are dangerous to touch. To protect from electrical shock, learn hazards associated with basic wiring, and take steps to avoid these hazards.

• Never attempt to handle any wires or conductors until you are absolutely positive that their electrical supply has been shut off. Properly lock out and tag all machines/equipment/circuits to prevent accidental startup.
• You will receive an electrical shock if a part of your body completes an electrical circuit by touching a live wire and ground, or touching a live wire and another wire at a different voltage.
• Consider all electrical wires as "hot" or "live" until verified as safe by a qualified person.
• If you come in contact with an energized wire—and you are also in contact with a grounded path-current will pass through your body. You will receive an electrical shock.

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Toolbox Talk # 01 : BASIC ELECTRICAL

Electrical Safety

Toolbox Talk # 01 

BASIC ELECTRICAL

With this toolbox talk we will shed light upon basic electrical safety geared towards non-electricians.

Extension cords/Power Strips

• Extension cords should not be used in place of permanent wiring.
• Ensure that cords are in proper working condition (the outer insulation should not be cracked/broken, the ground pin needs to be intact). Discard unsafe extension cords.
• Only licensed electricians are authorized to replace plugs, or splice cords.
• Extension cords need to be protected from motor vehicles, fork lifts, pallet jacks, heavy pedestrian traffic, etc.
• Power strips should not be permanently mounted to a wall or any other structure, even if the power strip has specific mounting fittings.
• Power strips or extension cords should not be connected to each other. Doing this can overload the circuit creating a potential fire hazard.

Circuit Overload Protection Devices:

These devices are designed to protect the wiring in a house/building and to prevent a potential fire.

Fuses- Break the circuit when too much current is flowing through the circuit. A small conductor inside the fuse heats up and melts when it reaches a specific temperature.

Circuit Breakers- As current increases in the circuit, an electromagnet inside the breaker generates increased magnetic force, eventually being great enough to pull the switch on the breaker from the “on” to the “off” position.

Ground Fault Circuit Interrupters

• GFCIs are designed to protect people from an electric shock.
• A GFCI works by detecting a current drop from the hot to the neutral wiring in a circuit. The GFCI detects energy that is escaping the circuit.
• GFCIs should be installed wherever a water hazard is present.
• You will commonly find GFCI plugs on hairdryers, wet vacs, etc.
• GFCIs can be at the breaker, the outlet, incorporated with the plug of the appliance/piece of equipment, or part of a short extension cord.

Other common Electrical Safety Issues

• Discard any piece of equipment that gives you even the slightest shock. If the resistance through your body is lowered i.e. standing in water or touching metal, even the slightest shock can be deadly.
• Never use electrical equipment in or around water.
• Junction boxes and electrical panels need to have proper covers in place to conceal all wiring.
• Hard wiring should not be exposed/accessible to non-electrical employees.

Electrical Safety - Office

Electrical Safety - Office

 

Electrical Safety

What Are The  office Hazards?


Fire and Electrocution are the two main hazards associated with Office Electrical Safety. Overloaded circuits can also cause power loss, work interruptions, and loss of productivity. A “rats nest” of tangled electrical cords not only creates a fire hazard but also a personal injury risk from slips / trips / falls. Many personal offices, cubicles, and work areas are not set up to handle the additional electrical load from items such as space heaters, fans, coffee makers, and printers.

• NEVER “daisy chain” power strips and extension cords.
• Always check for damaged cords and replace if necessary.
• Do not run cords across walkways and door. They may cause tripping hazards.
• Do not overload circuits with too many plugs.
• Never pull a plug out by the cord always grip it firmly at the base.
• Keep all cords away from extreme heat of fires.
• Never touch an exposed electrical wire.
• Be sure there is no water leaking on or near electronic devices.

Do the Math

If you are going to use extension cords, power strips, or surge protectors with two or more appliances, you must add together the wattage rating for all appliances used on the cord. Add up all the power requirements.

This total should not exceed 80 percent of the rated capacity of the extension cord, power strip, or surge protector you are using.

• Hair dryer 1,600 Portable heater 1,500
• Vacuum cleaner 600 Portable fan 150
• Television 150 Hot Plate 1,200
• Light bulbs 40, 60, 75, or 100 Coffee Pot 1,200

Check with your maintenance or facility manager to be sure it is safe and acceptable to connect accessory devices and equipment in your work area.

Tool Box Talk : Electrical Safety : A : LIGHTNING STRIKES

Tool Box Talk : Electrical Safety : A : LIGHTNING STRIKES

A single stroke of lightning may have 125,000,000 volts of electricity. That's enough power to light a 100-watt light bulb for more than 3 months, or enough to seriously hurt or kill someone. For every five seconds you count, the lighting is one mile away, if you can see a flash and instantly hear thunder, the lightning strike is very close and you should seek shelter immediately. When you see lightning, follow these safety rules:

If you're outdoors, seek shelter from lightning! Buildings are best for shelter, but if no buildings are available, try to find protection in a cave, ditch, or a canyon. Trees are not good cover! If you're in the woods, look for an area of shorter trees and crouch down away from tree trunks.

• Stay off or away from anything tall or high including rooftops, scaffolding, utility poles and ladders.
• If you're traveling, stay in your vehicle and roll up the windows. Don't touch the metal parts of your vehicle.
• Do not use metal objects outside, such as golf clubs or metal tools.
• If your skin tingles or your hair stands on the end, a lightning strike may be about to happen. Crouch down on the balls of your feet with your feet close together. Keep your hands on your knees and lower your head. Get as low as possible without touching your hands or knees to the ground. DO NOT LIE DOWN!

When someone is struck by lightning, get emergency medical help as soon as possible. Often the person can be revived with cardiopulmonary resuscitation (CPR). There is no danger to anyone helping a person who has been struck by lightning - no electric charge remains. Start CPR immediately

Tool Box Talk: Electrical Safety : B: ELECTRICAL BURNS

Tool Box Talk: Electrical Safety : B:  ELECTRICAL BURNS
Electrical burns occur when current jumps from an electrical outlet, cord, or appliance and passes through your body. Electrical burns cause tissue damage, and are one of the most serious injuries you can receive and need to be treated immediately.

• Burns suffered in electrical incidents can be divided into three types; electrical burns, arc burns, and thermal contact burns. AN three types of burns may be produced simultaneously.
• High voltage contact burns can burn internal tissues while leaving only very small injuries on the outside of the skin where it enters and much larger wound where it exits. Burns suffered in electrical accidents may affect the skin, muscles, and bone.
• High temperatures near the body produced by an electric arc or explosion cause arc or flash burns. They should also be attended to promptly.
• Thermal contact burns occur when skin comes in contact with overheated electric equipment, or when clothing is ignited in an electrical incident.
• If someone receives an electrical burn, seek medical attention immediately. If the victim is still in contact with the energized circuit, shut it off. Do not touch the victim. You do not want to be a victim too.

To prevent electrical burns, use safe work practices, lock out and tag all machines/ equipment/circuits during service, wear proper persona! Protective, and stay at least 10 feet away from overhead power lines