GB.LV.1.1

Bonding establishes electrical continuity and ___ between electrical materials required to be electrically connected.

• Conductivity

• Impedance

• Opposition

• Resistance

Electrical systems are grounded to accomplish all but which of the following performance objectives?

• Facilitate overcurrent device operation

• Limit the voltage due to line surges, or unintentional contact with higher-voltage lines

• Limit the voltage imposed by lightning

• Stabilize the voltage to ground during normal operation

The highest current at rated voltage that an overcurrent device is identified to interrupt under standard test conditions best defines which of the following?

• Ground fault rating

• Interrupting rating

• Normal current rating

• Short-circuit rating

Connected to establish continuity and conductivity defines which of the following?

• Bonded

• Grounded

• Grounding

• Ungrounded

A complete lightning protection system includes all but which of the following?

• A separate bonding grid

• Grounding electrodes and down conductors

• Strike termination devices and interconnecting conductors and bonding jumpers

• Surge protective devices

The service grounded neutral conductor of a single phase 3 wire system performs which of the following functions?

• Carries line to neutral load current

• Connects to the neutral point of the utility supply system

• Serves as an effective ground fault current path during ground fault conditions

• All of the above

If an isolated grounding receptacle is installed on a 30-amp branch circuit what is the minimum size required for the isolated/insulated copper equipment grounding conductor?

• 14awg

• 12awg

• 10awg

• 8awg

The new generally requires all conductors of an AC circuit including the ___ be kept close together by installing them in the same raceway, cable, or trench.

• Equipment grounding conductor

• Grounded conductor

• Ungrounded conductors

• All of the above

When in stalling a feeder circuit in a parallel raceway arrangement any wire-type equipment grounding conductor is required to be installed in ___

• Any of the raceways

• Each of the raceways

• One of the raceways

• The shortest raceway

What is the minimum size required for a copper equipment grounding conductor installed with feeder tap conductors if the feeder being tapped is protected by a 600-amp overcurrent device and the tap conductors are sized at 3/0 wag copper?

• 3/0

• 1/0

• 2 AWG

• 1 AWG