OPENBOOK EXAM #5

Ground-fault protection that functions to open the service disconnecting means ___ protects(s) service conductors or the disconnecting means.

• Will

• Will not

• Adequately

• Totally

The code requires that being panels be separated from outlet boxes that are to be used for mounting fixtures not less than ___ inches.

• 12

• 8

• 6

• 10

Where outdoor lamp-holders have terminals that puncture the insulation and contact the conductors, they shall be attached only to ___.

• Conductors with rubber insulation

• Solid conductors

• Conductors of the stranded type

• A #12 conductor

Lamp tie wires, mounting screws, and decorative bands on glass lamps space not less than ___ inches from lamp terminals shall be required to be grounded.

• 1.25

• 1.5

• 2

• 4

Where conduit is threaded in the field, a standard conduit cutting due with a ___ inch taper per foot shall be used.

• 0.5

• 0.75

• 1

• 1.25

In a straight run of rigid nonmetallic conduit between securely mounted boxes, expansion joints are required where the computed length change due to thermal expansion or contraction is at least ___inch or more.

• 1/8

• 1/4

• 3/8

• 1/2

Equipment grounding conductors, when installed, ___ be included when calculating conduit fill.

• Should

• Shall

• Should not   

• Shall never

In a straight run of rigid nonmetallic conduit between securely mounted boxes, expansion joints are required where the computed length change due to thermal expansion or contraction is at least ___inch or more.

• 1/8

• 1/4

• 3/8

• 1/2

The minimum feeder allowance for show window lighting expressed in volts-amps per linear foot shall be ___ VA.

• 100

• 200

• 300

• 180

Angle pull dimensional requirements apply to junction boxes only when the size of conductor is equal to or larger than ___.

• #0

• #4

• #3/0  

• #6