NC2 REVIEW SET A-2

What will you do if the load schedule reflects a 20AT/2.0sq.mm Lighting Branch Circuit of which circuit breaker is overrated?

• Wait for your superior and let him do the corrections

• look for the wiring layout and check groupings

• look for another load schedule and check the differences

• change rating to 15AT to conform with PEC       requirement

What amount of current will be drawn by incandescent bulb connected to a 115-volt circuit if its resistance is 264.5ohms?

• 0.43 amps

• 0.45 amps

• 0.42 amps

• 2.3 amps

When measuring ballast resistance if its defective or good, it is necessary that the source_____.

• energized

• de-energized

• unloaded

• loaded

A circuit breaker is an electrical protective device which ___.

• breaks power flow when a very low voltage is encountered

• protects electrical equipment from incoming spike voltage

• trips off when a very low current is encountered

• protects electrical equipment from surges and overloads

It is the connection between the grounded circuit conductor and the equipment grounding conduit at the

• Bonding Jumper

• Grounding Electrode Conductor

• Bonding Jumper main

• Bonding jumper equipment

Which of the following is an output device?

• magnetic lock

• Emergency Break Glass

• Exit Button

• Biometric Reader and Control

The technical term for the type THW wires used mostly in industrial wirings is?

• Moisture and Heat Resistant Thermoplastic

• Poly Vinyl Chloride

• PVC Insulated Heat Resistant

• Plastic covering

Which of the following is an input device

• door lock

• exit button

• Biometric Reader and Controller

• all of the above

When skinning a small wire. The insulation should be “pencil down” rather than cut square to

• prevent the braid from fraying

• decrease danger of nicking the wire

•  saves time in making the splice

• allows more insulation in the splice

The minimum size of conduit commonly used in laying-out of Auxiliary Devices

•  ½” diameter

• ¾” diameter

• ½” PVC molding

•  ¾” PVC molding