Test
When conductors are installed where the ambient temperature is above - the conductor ampacity must be reduced proportionally with the increase in temperature.
186°F (30°C)
Which of the following represents the largest AWG wire Size?
4/O
What is the difference between Type AC cable and Type MC cable?
AC cable has fire-retardant paper wraps on individual conductors;MC cable does not.
Type MV cable is suitable for which of the following applications?
All of the above
is the maximum current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
Ampacity
is a circle that has a diameter of 1 Mill
Circlurmill
PE is the base material used for the manufacture of TWand THW Isulation
False
Type MC is suitable for use as service-entrance cable.
False
The designation for thousands of circular mils is
Kcmill
A(n) is a piston-like plug that is attached to a string or rope for pulling through conduit using a power fishing system.
Mouse
When used as a service-entrance cable, Type SE cable must be installed as specified in
NEC Article 230
To determine the ampacity of copper conductors where they are used as a single conductor in free air at ambient temperatures of 86°F (30°C), use
NEC Table 310.17
The ampacity ratings of conductors can be found in
NEC Tables 310.16 through 310.21
The maximum size solid wire that should be terminated in pull boxes and disconnects is
No.8
What are the colors of insulation on the conductors for a three-conductor NM cable?
One white or gray, one red, one black, and an equipment grounding Conductor
A type of thermoset insulation is
RHW
Some jackets have an) that allows the jacket to be peeled back without the use of a knife or cable cutter.
Ripcord
With regard to insulation coding, the letter R stands for
Rubber
What service conductor may be bare, green, or green with a yellow stripe?
The equipment grounding conductor of a multiconductor cable
All current-carrying conductors (including the grounded conductor) must be insulated when used on the inside of Buildings
True
NEC Table 310.16 covers conductors rated up to 2,000V where not more than three current-carrying conductors are installed in a raceway or cable.
True
What letter must be included in the marking of a conductor if it is to be used in a wet, outdoor application?
W
PE is used primarily for insulation Of
control and communications Wiring
To prevent unwanted ground loops, instrumentation cable shielding is
grounded at one end of the wire
PE is used primarily for
insulation of control and communications wiring
Type UF cable
is suitable for direct burial
Ideally, a pull should be made in
one continuous operation
In some cases, fixture wires may be used for
signaling wiring
Type USE cable can be used for
underground installation including direct burial
Compact stranding is used
with aluminum conductors
