Chapter 6 Flashcards
The minimum diameter is ___” for stainless steel rods and copper- or zinc-coated steel rods.
5-8
A damp location is a(n) ___.
partially protected area; area subject to some moisture
The minimum burial depth required for plate electrodes is ___’ below the surface of the earth.
2.5
Metal underground water piping with at least ___’ of piping in direct contact with the earth shall be part of the GES.
10
In general, the EGC may be a bare, covered, or insulated conductor.
True
Electrical service equipment which shall be bonded together includes ___.
service raceways with GEC; service conductor enclosures; metallic raceways protecting the metallic sheath
The minimum size of the EGC is based upon the rating of the ___ ahead of the supplied equipment.
OCPD
Aluminum electrodes may be used as grounding electrodes.
False
The ___ conductors extend from the service point to the service disconnecting means.
Service
A wet location is a(n) ___.
installation in concrete slabs contacting earth; underground installation; location saturated with water or other liquids
AC systems of less than ___ V to ground shall be grounded when installed as overhead conductors.
50
Electrical systems are grounded to limit and stabilize voltages to ground.
True
___ wiring is basically all interior and exterior wiring installed on the load side of the service point or the source of a separately derived system.
Premises
The only choice for the grounding electrode of a separately derived system is the grounded building steel.
False
The minimum length of a rod or pipe electrode is ___’.
8
