3 ms·
Since this article was written, the NEC has also started requiring arc fault circuit interrupters. https://en.wikipedia.org/wiki/Arc-fault_circuit_interrupter
by js2 7y ago
Since this article was written, the NEC has also started requiring arc fault circuit interrupters.
https://en.wikipedia.org/wiki/Arc-fault_circuit_interrupter https://en.wikipedia.org/wiki/Arc-fault_circuit_interrupter
BTW, if you have a portable generator for emergency purposes and it's connected via a transfer switch, take note of the important grounding and bonding requirements:
https://cpower.com/PDF/InfoSheets/44.pdf https://cpower.com/PDF/InfoSheets/44.pdf