ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
19th Edition
ISBN: 9781337116213
Author: MULLIN
Publisher: CENGAGE L
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Chapter 28, Problem 9R
To determine
Find the correct option that should be used when hooking up
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You just moved into a new house and notice that the bathroom light and hall light will not
turn on unless the switch for both lights is in the on position. What can you conclude
about the lights?
a.
The hall light and bathroom light are wired in parallel.
b. The light switch for the bathroom resets a breaker for both lights
C.
The hall light and bathroom light are wired in series.
d.
The hall light and bathroom light must have two separate power sources.
e. Two of the above.
QUESTION-3: In the system with open and
closed protection zones given in the figure below:
a) Which breakers will open for fault at point F1?
5) For a fault at point F2, if B3 fails to operate,
which breakers should be operated to provide
Dack-up protection?
B3
F2 BS
F1
B1
B2
84
7.a. Which of the following tests must be performed on a de-energized circuit? A. Power test B. Continuity test C. Voltage test D. Current test
7. Each outside receptacle must be protected by
A. a GFCI.
B. its own ground rod.
C. a single- or double-pole switch.
D. its own circuit.
Chapter 28 Solutions
ELECTRICAL WIRING:RESIDENT.-TEXT (PB)
Ch. 28 - What is the minimum size service for a one-family...Ch. 28 - Prob. 2RCh. 28 - Prob. 3RCh. 28 - Prob. 4RCh. 28 - Prob. 5RCh. 28 - Prob. 6RCh. 28 - Prob. 7RCh. 28 - List the standard sizes of fuses and circuit...Ch. 28 - Prob. 9RCh. 28 - Using the method shown in this unit, what is the...
Ch. 28 - State four possible combinations of service...Ch. 28 - Which Code section states that all overcurrent...Ch. 28 - All electrical components have some sort of...Ch. 28 - Arc-fault damage is closely related to the value...Ch. 28 - The utility company has provided a letter to the...Ch. 28 - While working on the main panelboard that is...Ch. 28 - Repeat problem 16 for a main service panel that...Ch. 28 - NEC ______________________________ generally...Ch. 28 - Prob. 19RCh. 28 - Prob. 20RCh. 28 - Overcurrent devices must be accessible. (True)...
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