If a live welding cable or connector is damaged, what is the first step?

• A. Stop welding, turn off power at source, remove from circuit, tag out, replace or repair before reuse
• B. Continue welding but guard against shock
• C. Replace the plug with a larger one
• D. Tape the damaged area and resume

Answer: (A)

When a live welding cable or connector is damaged, the priority is to remove all energy and isolate the fault to prevent electric shock, arc flash, or fire. Stop welding and turn off power at the source to stop energy flow. Then physically disconnect the circuit and tag out or mark the equipment so others don’t restore power accidentally. Replace or repair the damaged cable or connector before reuse to restore proper insulation and connection integrity. The other options don’t achieve these safety steps: continuing to weld with a damaged cable keeps the danger active; replacing the plug with a larger one doesn’t address damaged insulation or conductors; and taping the damaged area is an inadequate temporary fix that can overheat or hide further damage.