Test your Ground Fault Circuit Interrupter
Check your extension cords and plugs a torn jacket, exposed wire at the plug or missing a ground pin are quick checks to ensure that the cord is in good working condition.
check your tool for damaged cord, missing ground pin or exposed wires
Extension cords should be placed where they will not get damaged
Temporary lighting should be elevated and include protective cages around the bulbs.
Close electrical panels
De-energize circuits