The third wire on this cord is a ground and this type of cord should never be plugged into any ungrounded electrical outlet.
Toolbox topics electrical cords.
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While they may make life easier but they can cause fires or shocks if they aren t used properly or if worn out.
Be safe with extension cords.
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Three wire cords are used for outdoor appliances and electric power tools.
When not in use the electrical cord should be neatly coiled and stored.
Get a defective cable or electric power tool so you can point out the faults to explain electrical safety.
Don t disconnect cords by jerking them out.
Electrical outlets before using make a safety check for loose cable connections bare wires cracked outlets and missing or damaged face plates.
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Extension cord safety.
Electrical cords must also be protected from fraying when used on platforms laid over railings etc.
Keep electrical cords away from areas where they may be pinched and areas where they may pose a tripping or fire hazard e g doorways walkways under carpet etc.
It s probably because they are so useful.
Always inspect the cord prior to use to ensure the insulation isn t cut or damaged.
Electrical cords were not designed to function as ropes.
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Electric cords must be kept out of the water and crude oil.
Also don t hammer nails or staples into cords.
Use this toolbox talk to reinforce the safe use of extension cords in the workplace.
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Don t string electrical cords through water or oil and grease.
When using be sure plug fits firmly and check for any signs of heating caused by faulty connections.
Two wire extension cords should only be used to operate one or two small appliances.
When the need for electricity is temporary extension cords can be a quick way to supply the necessary power to get a job done.
They should be disconnected at the receptacle.
Extension cords must not be used in place of permanent wiring and they must be used correctly to maintain safety.
Overloading a cord by using it to power equipment that draws too much current can cause it to over heat possibly starting a fire.
Extension cords are used all the time at work and at home.
Discard damaged cords cords that become hot or cords with exposed wiring.
Extension cords come in either two or three wire types.
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Break cord insulation and wires.
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