On a single-family remodel at final inspection, ground-fault protection of equipment trips during commissioning; what is the proper response?
- ABypass it permanently
- BIncrease every breaker rating
- CDisconnect grounding electrodes
- Diagnose before energizing
Where to look it up
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.334
Why D is correct
Before reenergizing, determine that the equipment and circuit can be safely energized. Investigate the protection setup and any actual fault rather than bypassing protection, repeatedly resetting it or arbitrarily increasing ratings. Follow the applicable testing procedure with qualified personnel.