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License Description
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"Class C" Electrical License
"Class B" electrical contractor is defined as any person engaged in the business of installing
electrical wiring, installing pipe and conduits containing electric wiring, and installing and
connecting any limited apparatus that is connected electrically to an electric system. This
classification is limited to residential structures with a supply system voltage not exceeding two
hundred and fifty volts.
Sample of test
1. Service is _____________ .
A. The conductors & equipment for delivering electrical energy from the serving utility to the
wiring system.
B. The conductors from the electrical pole to the building.
C. The equipment to shut off the power to the building.
D. None of them.
2. The minimum current rating of 3-wire service-entrance conductors for one-family
dwelling is _____________ .
A. 60A
B. 100A
C. 125A
D. 200A
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