.___________ is a tool that protects wiring from brief circuit faults.
A. Disconnect
b. Ground fault circuit interrupter
c. Circuit Breaker
d. Arc fault circuit interrupter - ANS-Circuit breaker
.If a single receptacle is to be installed on a 20A circuit that receptacle should be rated
for_______.
A. 15A
b. 20A
c. 30A
d. 25A - ANS-20A
¾" is the minimal length flexible metallic conduit.
A. True
b. False - ANS-False
8.Lf a capacitor has capability between plates is it charged?
True
False - ANS-True
A 208-volt 3-section, 50hp, squirrel-cage, non-stop-responsibility, ac motor has a full load
walking modern score of ____________
a. 130A
b. 143A
c. 162A
d.195A - ANS-143A
A 24 volt thermostat cable is authorized to be supported by way of the raceway drop feeding
electricity to the boiler it controls.
True
False - ANS-True
A conducting item to which an immediate connection to earth is installed is a
Equipotential bonding grid
Grounding electrode
Bonding Connection
Re-Bar - ANS-Grounding electrode
, A indifferent constructing supplied with the aid of a multi-cord department circuit shall have a
grounding electrode set up.
True
False - ANS-False
A dry transformer mounted indoors requires three ft of working clearance on all facets.
True
False - ANS-False
A feeder tap less than 25ft long does not require overcurrent safety at the tap if the ampacity
of the faucet conductor is as a minimum __________ of the rating of the overcurrent tool
shielding the feeder conductor.
A. One-half of
b. 40%
c. One-third
d. 25% - ANS-One-third
A handhole is an enclosure sized to permit personnel to
Enter
Reach into
Look into
Install conductors - ANS-Reach into
A multi-pole popular use snap transfer shall not be approved to be fed from greater than a
unmarried circuit except it's far indexed and marked as a -circuit or a three-circuit transfer, or
unless its voltage rating isn't always less than the nominal clean voltage of the system
offering the circuits.
Phase to phase
Line to line
System
Phase to impartial - ANS-Line to line
A municipal related fireplace alarm can be twine with accepted MC Cable in lengths no
longer exceeding feet.
50
one hundred
two hundred
There are not any duration regulations - ANS-There aren't any period restrictions
A receptacle is required for every 12 feet of display window
true
false - ANS-authentic