State the requirements for the service-entrance switch stipulated by the Code®.
What will be an ideal response?
The Code® requires that the switch:
a. Is a readily accessible means to disconnect all ungrounded conductors in the building from the service entrance conductors;
b. Clearly indicates whether it is in the open or closed position; and
c. Disconnects all ungrounded conductors simultaneously.
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Explain the use of diesel exhaust fluid.
What will be an ideal response?
A(n) ____ is a number that has no factors except itself and 1.
a. factor b. prime number c. even number d. odd number
Which of the following would indicate an open circuit if displayed on a DMM while checking resistance?
A. 0 Ohms B. 0 V-DC C. 0 amps D. OL
How can an open circuit fault with either the CAN B (+) or the CAN B (?) circuit be located?
What will be an ideal response?