WARNING: NO GFCI CAN MEAN DOA

A journeyman HVAC worker was installing metal ductwork using a double-insulated drill connected to a drop light cord. Power came through two extension cords from a nearby residence. His perspiration-soaked clothing and body contacted the bare exposed conductors on one of the cords, electrocuting him. No ground-fault circuit interrupters (GFCIs) were used, and the two cords had no ground prongs.

How could this happen? According to OSHA, use of electrical equipment in the dynamic, rugged construction worksite environment can easily lead to insulation breaks, short-circuits, and exposed wires from normal wear and tear. Without ground-fault protection, such deterioration can cause accidents that send current through a worker’s body, resulting in electrical burns, explosions, fire, or death.

To avoid this hazard, OSHA recommends these guidelines: 1) install GFCIs on all 120-volt, single-phase, 15 and 20-ampere receptacles or have an assured equipment grounding conductor program; 2) follow the manufacturer’s recommended testing procedure to ensure that the GFCI is working correctly; 3) use double insulated tools and equipment, distinctively marked; 4) use tools and equipment according to the instructions included in their listing, labeling or certification; 5) visually inspect all electrical equipment before use and remove any tools with frayed cords, missing ground prongs, cracked tool casings, etc.; and 6) put a warning tag on any defective tools and don’t use them until the problem has been corrected.

Although we do our best to make sure that your insurance is here to help, we also believe that the best claim is the one that never happens. For more information, contact one of our agency’s protection professionals at your convenience.

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