Unused openings in equipment shall be closed ???
1.To afford protection equivalent to the wall of the equipment
2.With flame resistant tape
3.With metallic or non metallic materials .004 inches in thickness
4.With metal 1/8 inch in thickness
- ANSWER To afford protection equivalent to the wall of the equipment
The interior of raceways installed underground shall be considered to be locations
Dry
Damp
Wet
Moist - ANSWER Wet
Parallel conductors comprising each phase, polarity, neutral or grounded circuit conductor
shall not be smaller than
#4
#1/0
# 4/0
# 8 - ANSWER #1/0
A step down transformer has
1
,A step cut core
A higher voltage on the primary
A higher voltage on the secondary
A lower voltage on the primary - ANSWER A higher voltage on the primary
The feeder demand for 5 clothes dryers in a multi-family dwelling is
100%
85%
70%
125% - ANSWER 85%
An ohmmeter will read on a short circuit.
Zero ohms
Infinite ohms
Cannot be checked with an ohmmeter 10 000 ohms - ANSWER Zero ohms
A dry transformer installed indoors requires 3 feet of working clearance on all sides.
True
False - ANSWER False
Closet storage space is defined as the volume extending from the floor vertically to a height
of feet or the highest clothes hanging rod.
8
6
2
, 5
6.5 - ANSWER 6
A municipal connected fire alarm may be wire with approved MC Cable in lengths not ex-
ceeding feet.
50
100
200
There are no length restrictions - ANSWER There are no length restrictions
Parallel conductors in separate raceways shall have the same number of conductors and
shall have the same electrical characteristics. They are not required to have the same insula-
tion type.
True
False - ANSWER False
An Intersystem Bonding Termination provides a means for connecting grounding conductors,
bonding conductors and
CATV
Telephone
Communications Systems
Information Systems - ANSWER Communications Systems
A 24 volt thermostat cable is permitted to be supported by the raceway drop feeding power
to the boiler it controls.
True
3
1.To afford protection equivalent to the wall of the equipment
2.With flame resistant tape
3.With metallic or non metallic materials .004 inches in thickness
4.With metal 1/8 inch in thickness
- ANSWER To afford protection equivalent to the wall of the equipment
The interior of raceways installed underground shall be considered to be locations
Dry
Damp
Wet
Moist - ANSWER Wet
Parallel conductors comprising each phase, polarity, neutral or grounded circuit conductor
shall not be smaller than
#4
#1/0
# 4/0
# 8 - ANSWER #1/0
A step down transformer has
1
,A step cut core
A higher voltage on the primary
A higher voltage on the secondary
A lower voltage on the primary - ANSWER A higher voltage on the primary
The feeder demand for 5 clothes dryers in a multi-family dwelling is
100%
85%
70%
125% - ANSWER 85%
An ohmmeter will read on a short circuit.
Zero ohms
Infinite ohms
Cannot be checked with an ohmmeter 10 000 ohms - ANSWER Zero ohms
A dry transformer installed indoors requires 3 feet of working clearance on all sides.
True
False - ANSWER False
Closet storage space is defined as the volume extending from the floor vertically to a height
of feet or the highest clothes hanging rod.
8
6
2
, 5
6.5 - ANSWER 6
A municipal connected fire alarm may be wire with approved MC Cable in lengths not ex-
ceeding feet.
50
100
200
There are no length restrictions - ANSWER There are no length restrictions
Parallel conductors in separate raceways shall have the same number of conductors and
shall have the same electrical characteristics. They are not required to have the same insula-
tion type.
True
False - ANSWER False
An Intersystem Bonding Termination provides a means for connecting grounding conductors,
bonding conductors and
CATV
Telephone
Communications Systems
Information Systems - ANSWER Communications Systems
A 24 volt thermostat cable is permitted to be supported by the raceway drop feeding power
to the boiler it controls.
True
3
