All these are electrician based questions

a conductor that's described as a 750 mcm wire has an area of

a. 750 cmils.
b. 750,000 kcmils.
c. 750 kcmils.
d. 750 in2.

if a cable insulation is described as rhw, you would be able to use the cable for what maximum temperature?

a. 194°f
b. 167°f
c. 140°f
d. 86°f

the ampacity of a no. 12 aluminum wire with rhw insulation installed in a raceway that has 19 other wires is

a. 15 a.
b. 7 a.
c. 5 a.
d. 10 a.

an electric iron is plugged into a receptacle that has 110 v present. if the voltage loss from the panel to the receptacle is 6 v, the line voltage at the panel is

a. 110 v.
b. 104 v.
c. 120 v.
d. 116 v.

a nonshielded cable with a 1.5-inch diameter should have a minimum bending radius of

a. 1.5 in.
b. 6.0 in.
c. 12.0 in.
d. 18.0 in.

ideally, nm or armored cable should be installed in a wall stud at least how far back from the front edge of the stud?

a. 11/4 in.
b. 3/4 in.
c. 1 in.
d. 11/2 in.

which type of tape is used to round sharp edges on splices using larger conductors?

a. rubber tape
b. plastic tape
c. friction tape
d. cotton tape

a single no. 10 copper wire with type thw insulation that's used in free air with an ambient temperature of 158°f has an approximate ampacity of

a. 31.9 a.
b. 16.5 a.
c. 36.9 a.
d. 40.0 a.

the diameter of a no. 6 wire is larger than a

a. no. 4 wire.
b. no. 2/0 wire.
c. 250 kcmil cable.
d. no. 12 wire.

ampacity, or the maximum flow of electricity for a time period,

a. decreases as wire number decreases.
b. increases as wire diameter increases.
c. increases as wire number increases.
d. isn't dependent on wire diameter or number.

the most widely used insulator for splices of smaller wires, like those used for devices, is

a. a split bolt.
b. a wire nut.
c. friction tape.
d. solder.

a conductor with a diameter of 100 mils has an area of

a. 100 kcmil.
b. 0.00785 in2.
c. 100 in2.
d. 0.01 cmil.

the calculation used to determine amperage of a conductor based on the total number of conductors in a conduit is called

a. derating.
b. conductor fill.
c. conduit fill.
d. voltage drop.

what size copper wire should be used for a 125 ft, 15 a branch circuit if a maximum voltage drop of 3.2 v is allowed?

a. no. 8
b. no. 12
c. no. 14
d. no. 10

when soldering a lug onto a copper wire, you would use

a. both plain solder and an acid.
b. acid-core solder only.
c. rosin-core solder only.
d. plain solder without flux.

five no. 8 aluminum conductors with thhn insulation are to be routed through a conduit found in a boiler room with an ambient temperature of 75°c. the ampacity of each conductor is

a. 36.6 a.
b. 14.8 a.
c. 17.0 a.
d. 48.0 a.

which one of the following types of wire can be used with the pressure terminals of a duplex receptacle?

a. solid copper
b. stranded copper
c. stranded aluminum
d. solid aluminum

the ease with which a material allows electricity to move is called

a. ampacity.
b. potential.
c. conductivity.
d. voltage.

what is the ampacity of a no. 3/0, thhn copper wire, in a conduit with one other conductor?

a. 175 a
b. 200 a
c. 350 a
d. 225 a