Which of the following is an approved wiring method allowed in fire-rated construction?
a. NM cable
b. Nonmetallic raceways
c. Metal-clad cable
d. PVC
c. Metal-clad cable
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When representing structural members in CADD, use the ____ command to assign lines to the proper layers.
A. ?CHANGE B. ?FILLET C. ?PROPERTIES D. ?TRIM
Which of the following describes the standard in NFPA 70E®?
a. A worker with a disability has equal rights to employment. b. Employers with greater than 10 employees must keep records of work-related injuries and illnesses. c. Safe work practices must be applied when working on or near exposed energized parts. d. All tools, equipment, and machines must be inspected by the employer before use.
What is the maximum run for a #14 wire carrying 10 amps based on a voltage drop of 3% at 120 V?
A) 137 feet B) 69 feet C) 45 feet D) 109 feet
A direct FM system is one in which the frequency of the carrier oscillator is directly varied by the ___________
A. unwanted sideband suppression B. phase-shifted data C. modulating signal D. capacitance