NC2 REVIEW SET C-2

When measuring load resistance, the ohmmeter is connected _________.

• Parallel with the source

• In series with the load

• Across the terminals of the load

• From one load terminal to ground

If a 5.5 sq.mm. TW wire inside a conduit pipe is connected with eighty (80) percent loading, what is the maximum allowable loading that it can sustain?

• 15 amperes

• 20 amperes

• 25 amperes

• 30 amperes

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

• Wait for your supervisor and let him do the corrections.

• Look for another load schedule and check for differences

• Look for the wiring layout and check groupings

• Change rating to 15AT to conform with PEC requirements

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

• 0.45 amps

• 0.43 amps

• 0.42 amps

• 2.3 amps

When measuring ballast resistance if it is defective or good, it is necessary that the source

• Energized

• De-energized

• Unloaded

• Loaded

Part of the Auxiliary System that set the motion-trigger action individually for each camera.

• Live Previewing

• Recording

• Camera Scheduled

• Motion Detection

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

• Prevent the braid from fraying

• Saves time in making the splice

• Allows more insulation in the splice

• Decrease danger of nicking the wire

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

• ½” diameter

• ¾” diameter

• ½” PVC molding 

• ¾” PVC molding

Which of the following is an output device?

• Emergency Break Glass

• Exit Button

• Biometric Reader and Control

• Magnetic Lock

A diagram that shows the location and actual termination of the auxiliary devices.

• Wiring diagram

• Schematic diagram

• Pictorial drawing

• Electrical layout