GROUND ROD
NEC 250.53(G) "The upper end of the electrode shall be flush with or below ground level ..." and Exhibit 250.23.Exhibit 250.9 seems to indicate a c...
NEC 250.53(G) "The upper end of the electrode shall be flush with or below ground level ..." and Exhibit 250.23.Exhibit 250.9 seems to indicate a c...
8
answers202
ViewsIf you're a new owner (and not present when the electrode was installed): You trace the grounding electrode conductor - bare copper wire - from the...
15
answers679
ViewsDo not guess about making connections. There are many ways that lights can be controlled by switches; it's almost impossible to know your setup via...
3
answers730
ViewsRegarding NEC 110.3.B (“according to manufacturers instructions”)The Manual for this microwave oven says “For safety purposes this oven must ...
3
answers588
ViewsDoes the NEC specify what is required to operate a microwave oven - the kind that is mounted permanently in a cabinet, and the smaller kind found...
3
answers765
ViewsMost important question not answered yet: Does the NEC specify the rating of devices (switches and receptacles) that are installed in the circuits ...
14
answers182
ViewsOn a 20-amp circuit, 12 gauge wire is used. Why shouldn’t 20-amp devices be used? What’s the purpose of the device rating – to assure it can ...
14
answers253
ViewsShould the device (switch, receptacle) amp rating match the circuit breaker rating? For example, small-appliance and bathroom circuits are 20-amper...
14
answers3317
ViewsA standard 240-volt electric clothes dryer requires a dedicated circuit, 30-amp breakers, 10-3 w/g cable (NEC 220.18). Many houses provide an elect...
1
answers381
ViewsHas anyone compiled a summary of typical house requirements? Not apartmentsor mobile homes or hotels, but a residential house owned by a typicaltax...
0
answers1023
Views