OPENBOOK EXAM #3

Potential transformer and other switchboard devices with potential coils shall be supplied by a circuit that is protected by standard overcurrent device rated ___ amperes or less.

• 15

• 20

• 25

• 30

Type ___ cable consists of three or more flat copper conductors placed edge-to-edge and separated and enclosed within an insulating assembly.

• NMC

• AC

• MI

• FCC

A cord connector that is supported by a permanently installed cord pendant shall be considered ___.

• Receptacle outlet

• Permanent cord

• Lighting outlet

• Outlet device

Equipment intended to break current at fault levels shall have an interrupting rating sufficient for the system voltage and the current which ___ at the line termi8nals of equipment.

• At maximum

• Operating

• Available

• Required

Electrodes of nonferrous metal shall at least ___ in thickness.

• 0.06 mm

• .186”

• 1.52”

• 0.06”

Examples of resistance heaters are ___

      I. Heating blankets

    II. Heating tape

  III. Heating barrel

• I and II only

• II and III only

• III only

• II only

Metal surface raceways having splices and taps shall be permitted if the splices and taps and conductors do not fill the raceways more than ___ percent of the area of the raceways at that point.

• 40

• 50

• 70

• 75

Receptacles in damp or wet locations flush mounted shall ___.

      I. Be protected from the weather where located under canopies or marquees not subject to water run off

    II. Have an attachment plug cap inserted

 III. Be made weatherproof by means of a weatherproof faceplate assembly

IV. Be located so that water accumulation is not likely to touch the outlet cover or plate

• I only

• II only

• III only

• I, II III and IV

Circuits that only supply neon tubing installations shall not be rated more than ___ ampere.

• 15

• 20

• 30

• 50

A portable motor which has an attachment plug and receptacle may use this type of attachment as the controller provided the motor does not exceed ___ HP.

• 1/8

• 1/3

• 1

• 3