When Type NM or Type SER cable is used as a feeder cable supplying power to a subpanel, the cables must be supported within __________ inches of both the main panel and the subpanel.
a. 8
b. 12
c. 24
d. 30
b. 12
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Within a solid, the mode of heat transfer is by
A) conduction. B) radiation. C) convection. D) both A and B. E) both B and C.
For more than a generation, electrical technicians made use of a tool known as the ____, which requires knowledge and application of the powers of 10 principle.
a. schematic b. slide rule c. calculator d. abacus
An after-market auto parts company sells a machining robot that had been depreciated to zero for $16,000. If the company’s effective tax rate is 36%, the sale will: (choose one)
(a) Increase the company’s taxes by $16,000 (b) Increase the company’s taxes by $5760 (c) Reduce the company’s taxes by $16,000 (d ) Reduce the company’s taxes by $5760
Hearing protection should be worn any time the noise level exceeds ________
A) 60 dB B) 80 dB C) 70 dB D) 90 dB