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Electrical Codes, Standards, Recommended Practices and Regulations
book

Electrical Codes, Standards, Recommended Practices and Regulations

by Robert J. Alonzo
January 2010
Intermediate to advanced content levelIntermediate to advanced
512 pages
18h 35m
English
William Andrew
Content preview from Electrical Codes, Standards, Recommended Practices and Regulations
Some switches may also be capable of being equipped with mechanical tripping
mechanisms, provided they have been so designed. That would allow them to be used as
a shunt device, capable of tripping by remote control, ground fault monitoring, or
relaying devices.
Fused safety switches, rated 600 Volts or less, can be used as service equipment provided they
are so certified or listed by a Nationally Recognized Testing Laboratory. The last switch type is
a transfer switch which can be either an automatic or manual type. They are typically used in
conjunction with a service disconnect device.
NEMA Standards Publication KS-1, Enclosed and Miscellaneous
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ISBN: 9780815520450