nc2 reviewer Set A-1

A kind diagram that is used in designing or troubleshooting electrical installation control equipment or arrangement to simplify the tracing of the circuit.

• schematic diagram 

• pictorial drawing

• wiring diagram 

• electrical lay-out

Which of the following electrical parameters apply or labelled to all kind of switches?

• rated current and rated voltage 

• rated power and rated voltage

• rated resistance and rated current

• rated power and rated current

When tightening a terminal screw connection with the splice wire, the end of the splice wire should pass around the screw on the same direction as the screw is turned, so that ________________.

• the wire will set as the locknut

• any pull on the wire will tighten the screw

• the screw can be removed more easily

• the wire will not turn off

One most advantage of using rubber insulation tape in splice is _________________.

• does not deteriorate with age 

• does not absorb much moisture

• is able to withstand high temperature 

• all of the above

Locknut, bushing or connectors are called electrical __________.

• conduit 

• fittings 

• expander

• tighteners

What is the commonly used conduit in Service Entrance?

• Flex Conduit

• RSC/IMC

• EMT 

• PVC

What do you call a fitting resembling a pipe or a box with a removable cover access to electric conduit?

• conduit strap/clamp

• condulet

• connector

• locknut and bushing

The box used for convenience outlet is _________.

• splice box

• full box

• square box

• utility box 

A mechanical connector that is crimped unto a conductor for both splice and termination is known as _________.

• split bolt connector

• bolt connector

• solderless connector

• mechanical lug

Commonly used adhesive materials for joining of PVC conduit.

• PVC cement

• PVC varnish

• PVC solvent

• PVC adhesive