A grounding electrode conductor must be _____.
a. made of one-quarter inch steel plate
b. made of copper, aluminum, or copper-clad aluminum
c. green or green with yellow stripes
d. protected by a Class A GFCI circuit breaker
b. made of copper, aluminum, or copper-clad aluminum
Trades & Technology
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Describe sweating eggs
What will be an ideal response?
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What other names are used for slight tapers and for steep tapers when they are used for machining parts?
A) Draw bolt tapers and Brown and Sharp tapers B) Sticking tapers and releasing tapers C) Log tapers and short tapers D) Self-holding tapers and quick release tapers
Trades & Technology
Utility poles being transported should be clearly marked by a red flag on the end of the longest pole.