commercial electrical services Exam
Questions and Answers Graded A+
___ shows the location of the electric service and the location of distribution and
branch circuit panelboards within the structure - Correct answer-a building layout
___ refers to a single meter enclosure with a single meter watt-hour or demand
meter - Correct answer-a self contained meter installation
two basic types of current transformers ___ - Correct answer-bussbar and donut
type
metal enclosure containing factory mounted bare or insulated conductors, which
are usually copper or aluminum bars, rods, or tubes - Correct 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 - Correct answer-
bussways
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