# 2025-01-13 TBT Extension Cord Safety
**Extension Cords Safety-Take No Chances!**
**Types of extension cords**
Extension cords come in either two or three-wire types. Two-wire extension cords should only be used to operate one or two small appliances. Three-wire cords are used for outdoor appliances and electric power tools. The third wire on this cord is a ground and this type of cord should never be plugged into any ungrounded electrical outlet. Only grounded extension cords are to be used with power tools unless the tool is double insulated.
**Care and inspection of extension cords**
Extension cords must be treated with care and checked regularly for damage or deterioration. The cord itself should *never* be pulled to disconnect it from an electrical source; remove it by the plug. Damaged cords present a potential fire or shock hazard and should be destroyed and replaced immediately.
Extension cords are convenient devices which we often take for granted in our everyday activities, but which need proper care and attention. Use good housekeeping practices to keep extension cords from being a tripping hazards or becoming damaged. Inspect them regularly for wear and replace defective units.
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