OSHA Region 1 Cooperative and State Programs Electrical Training/Inspection “Roll Up” Extension Cords GFCIs Power tools. Electrical equipment, cords and power tools are used in all industry settings Improper use can result in serious injury or death
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Must be 3-wire type and designed for hard or extra-hard use
Most flat type extension cords are molded and not rated for hard or extra-hard use and can not be used at work.
Even if it has a UL label - this flat, molded and ungrounded cord can not be used at work.Wiring methods, components, and equipment for general use.
Flexible cords shall be connected to devices and fittings so that strain relief is provided.
(Caps may be replaced if damaged)
Even though proper ratings of the cord and caps are used flexible cords can not be spliced in this manner.Flexible cords
Knockout type boxes are not listed/labeled to be used as extension cords or pendants.
Multi tap outlets need to be approved for their use. This one can not be used on construction sites.Listed, labeled or certified equipment shall be installed and used in accordance with their instructions.
Damage to insulation and conductors can occur if the cord is improperly wound.Extension cords can be abused
Push test button and make sure the GFCI trips. improperly wound.
(A click will be heard )
Push reset button and make sure the GFCI is activated.
A click will be heardTesting GFCI’s
Double insulated markingsElectric Power Tools
Plug with a grounding pin
or extension cords
Hazards are usually the result of improper tool use or not following one or more of these protection techniques: