The NEC® specifies the minimum radius of conduit bends because _____.
a. installation of additional pull boxes is more efficient
b. bending equipment cannot produce tighter bends
c. the insulation on conductors could be damaged as it is pulled
d. the internal diameter of the conduit may be increased
c. the insulation on conductors could be damaged as it is pulled
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A wobble stick is a stem-operated push button for operation ____.
a. at ground level b. in an elevated position c. from any direction d. at low temperatures
What standard covers ductboard and methods of connecting and sealing ductboard?
What will be an ideal response?
Thermistors react according to the principle of __________ temperature coefficient.
A. negative B. positive
GM calls their transmission an electrically ____________________ transmission.
Fill in the blank(s) with the appropriate word(s).