100% Verified Answers.
Given: Two separate Services are identical in voltage and
amperage, except that one service serves only motor - loads
and the other serves lighting loads only.
in the event of a short circuit in these services, the available
short circuit current will be:
A) The same in either service
B) Higher in the motor-load service
C) Higher in the lighting -load service
D) 25% greater in the service for the motor load
The same in either service
(general knowledge)
What is the minimum wiring space in inches, required between
the bottom of a SWITCHBOARD and non -insulated busbars ?
A) 6
,B) 8
C) 10
D) 12
10 inches
table 408.5
Where liquid tight flexible metal conduit is installed outdoors
above grade, the interior of this raceway is considered to be a
____________ location
A) Dry
B) Wet
C) Damp
D) Raintight
Wet
article 300.38
At an electrical control panel which has exposed live parts 0f
120 volts to ground , the depth of clear WORKING SPACE shall
be at least ____________ inches.
, A) 30
B) 36
C) 42
D) 48
36
table 110.26 (A) (1)
Given: Nonmetallic sheathed cable is installed in an 18 - cu.
inch nonmetallic device box which is 2 - 1/4 inches x 4 inches
(single gang) and has no internal clamps.
The cable shall be supported within at least __________ inches
from the box.
A) 6
B) 8
C) 12
D) 36
12
article 334.30 (C)