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Electrical Wiring Study Guide with complete solutions
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Electrical Wiring Study Guide with complete solutions
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Electrical Wiring Study Guide withcomplete solutions
The purpose of the National Electrical Code is to ensure the ______, uniform installation
of electrical wiring. - Answer -safe
The National Electrical Code is revised every ______ years. - Answer -three
The first safety standards for electrical installations were established in the late 1800s
by the city of _________. - Answer -New York
The National Electrical Code establishes the ______ requirements for electrical
installations. - Answer -minimum
The _______ is the final authority in interpreting the National Electrical Code. - Answer -
Local Building Inspector
Two research and testing organizations that determine the safety and quality of
electrical products are the American National Standards Institute and the ________. -
Answer -underwriters laboratories Inc.
The CSA tests and certifies electrical products and equipment sold in _________. -
Answer -Canada
After electricity has been generated at the electrical power generating plant, it is
transported to the consumer over a network of ____________ and _______________
lines. - Answer -transmission/distribution
After electricity has been generated at the power plant, step-up transformers are used
to __________ as it is transmitted to the consumer. - Answer -increase the voltage
When beginning a new wiring installation, the electrician most often works from
_________. - Answer --a wiring plan
Receptacle outlets and switches for lighting, appliances, and other types of electrical
equipment installed in a residence are indicated on the electrical contractors wiring plan
by _____________. - Answer -Standard electrical symbols
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