OPENBOOK EXAM #12

What is the area of square inches for #14 RHW without outer covering?

• 0.0135

• 0.0209

• 0.0230

• 0.0327

The ampacities provided by this section are based to temperature alone and do not take ___ into consideration.

• Insulation

• AWG

• CMA

• Voltage drops

Flexible cords shall be secured to the undersides of showcase so that ___.

      I.          The free lead at the end of a group of showcases will have a female fitting not exceeding beyond the case

    II.          Wiring will not be exposed to mechanical damage

III. A separation between cases not more than 2”. Nor more than 12” between the showcase and the supply receptacle will be assured

• I only

• II only

• III only

• I, II and III

All heating elements that are ___ and part of an appliance shall be legibly marked with the ratings I volts and amperes, or in volts and watts, or with the manufacturer’s part number.

      I.          Replaceable in the field

    II.          Rated over one ampere

III. Over 150 volts

• II and III

• I and II

• I and III

• I, II and III

All conductors in a multiple branch circuit shall originate from the same ___.

• Feeder

• Service

• Panel board

• Receptacle

The parallel conductors in each phase or neutral shall ___.

      I.          Have the same insulation type and conductor material

    II.          Be the same size in CMA

III. Be the same length and be terminated in the same manner.

• I only 

• II only

• III only

• I, II and III

Where nails are used to mount knobs, they shall not be smaller than ___ penny.

• 6

• 8

• 10

• 16

In computing the load of fluorescent fixtures, that computation shall be based on the ___ of the fixture.

• Wattage of the ballast

• Wattage of the lamps

• Total ampere rating

• None of these

Open conductors on insulators must be covered when they are within ___ feet of a building.

• 10

• 12

• 15

• 25

No grounded interior wiring shall be electrically connected to a supply system unless the supply system contains a corresponding conductor which is ___.

• Shielded

• bonded

• grounded

• low voltage