Nccer Electrical Level 3 Module 8
Commercial Electrical Services
Questions And Answers With Verified
Solutions Already Passed !!!
___ shows the location of the electric service and the location of distribution and
branch circuit panelboards within the structure - ANSWER✔✔a building layout
___ refers to a single meter enclosure with a single meter watt-hour or demand
meter - ANSWER✔✔a self contained meter installation
two basic types of current transformers ___ - ANSWER✔✔bussbar and donut type
metal enclosure containing factory mounted bare or insulated conductors, which
are usually copper or aluminum bars, rods, or tubes - ANSWER✔✔what is a
busway?
are used to provide a means of tapping the service entrance conductors or
distrubition feeders to supply the service disconnecting means -
ANSWER✔✔bussways
a disconnect switch connected to the supply side of the meter (cold sequence) must
be rated at no more than ___ - ANSWER✔✔1000V
the most common service voltage for small loads is ___ - ANSWER✔✔120/240V,
single phase, three wire service
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