service
an exterior raceway containing service entrance conductors must be _________ and arranged to drain
raintight
a panel board must not be installed
in the bathroom
nec ______ provides rules for working space around eletrical equipment
110.26
the underground conductors between the utility electric supply system and the service point.
service lateral conductors
a type of device designed to transition from a conduit system into an enclosure.
HUB
________ conductors are permitted to be attached to and supported by the service mast
service drop
ground rods must be at least ___ ft in length
8ft
requires a minumum 100 ampere, 3 wire disconnect for a one family dwelling
230.79 c
the overhead conductors between the serving utility and the service point.
service drop
a device that measures the amount of electric energy consumed by a building, tenant space, or electrically powered equipment
meter
for typical residential wiring, the grounding electrode conductor is run between the ________ neutral/ground terminal bar and the grounding electrode system
main service panel
under no circumstances shall the the service entrance conductors be less than ____ ft above finished grade
10 ft
service entrance cable types se and use
article 338
an unintentional, electrically conductive connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metal raceways, metal equipment, or earth.
ground fault
a component of an electrical distribution system which divides an electrical power feed into branch circuits, while providing a protective circuit breaker or fuse for each circuit, in a common enclosure.
panel board
what is a service drop
overhead conductors between the serving utility and the service point
for one family residence, the minimum size main service disconnecting means is ____ three wire
100 ampere
Service-entrance cables shall be supported by straps or other approved means within 300 mm (12 in.) of every service head, gooseneck, or connection to a raceway or enclosure and at intervals not exceeding 750 mm (30 in.).
nec 230.51 a
a system or circuit conductor that is intentionally grounded.
grounded conductor
commonly used for overhead, single phase service and contains three individual wires twisted around each other.
triplex
what are service lateral conductors
installed by electric utility, the conductors installed between pad mounted transformer and the meter
the minimum width of working space around an electrical panel shall be ______ inch or the width of the equipment, whichever is greater
30 inch
nec ______ requires that supplemental ground be provided if the available grounding electrode is a metal underground water pipe
250.53(d) (2)
connected to establish electrical continuity and conductivity.
bonded
a means to shut the power off between the facilities of the service utility (your power company) and the premise wiring (your property's electrical system).
service disconnect