A/C electric

In the power distribution box the black wire should be connected to the ________

• Bus Bar

• Neutral Bar

• Fuse panel

• Circuit breaker

In the power distribution panel the white wire should be connected to the _______

• Ground bus bar

• Neutral bus bar

• circuit breaker

• the metal connector

When replacing a distribution panelboard, what electrical cabling is typically used on the AC side?

• stranded

• Romex or nm elect cable

• Service junior (SJ) wire

• 3 wire extension cord

Customer complains of low voltage at the AC panel, the tech should FIRST____

• check polarity indicator

• check voltage at pedestal

• replace overcurrent protection device

• recalibrate his/her meter

All of the following can be causes of low voltage conditions except_______

• undersized conductor

• bad / loose connections

• discharged batteries

• undersized overcurrent protection device

To manually discharge an air conditioners run capacitor, a tech should set the AC voltmeter to__

• 120 VAC

• 12 VDC

• The highest AC scale

• 240 VAC

GFCI protection can be provided through specific GFCI receptacles or GFCI ____

• Diodes

• Capacitors

• Conductors

• Circuit breakers

On a "hot skin" test the RV breakers must be _______

• removed

• off

• open

• on

According to NFPA where cable connections or clamps are used, the cables need to be secured and supported within _______

• 6" of outlet boxes, junction boxes & panel

• 12" of outlet boxes, junction boxes & panel

• not required if installed in a cabinet

• not required if installed in a wall

Which of the following is NOT a protection for non-metallic sheathed cable ?

• rubber hose conduit

• liquid-tight flexible conduit

• rigid metal conduit

• intermediate metal conduit