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Exam (elaborations)

Grounding & Bonding Exam Questions With Correct Answers

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Grounding & Bonding Exam Questions With Correct Answers Equipment grounding connects metal parts of equipment to the system grounded conductor and/or _____. - answerthe grounding electrode conductor A ground FAULT is described as an (UN)INTENTIONAL _____ - answerelectrical connection between a...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Grounding & Bonding
  • Grounding & Bonding
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Grounding & Bonding Exam Questions With
Correct Answers


Equipment grounding connects metal parts of equipment to the system grounded conductor
and/or _____. - answer✔the grounding electrode conductor

A ground FAULT is described as an (UN)INTENTIONAL _____ - answer✔electrical
connection between an (UN)GROUNDED conductor in a circuit and the normal conductors

Which type of system is required to be grounded? - answer✔AC systems over 1,000V
A transformer-supplied system at less than 50V must be grounded if the supply voltage to the
transformer exceeds _____. - answer✔150V to ground


(Just think 150V = there's a 50 in the question & answer)

A ground ring of 20' of No. 2 bare copper must be buried no less than _____. - answer✔2.5'
below grade


(No. 2 = 2.5 inches — question & answer have 2 in it)

Service conductors are sized using _____. - answer✔NEC Table 310.16

Minimum length for driven ground rods under normal conditions is _____. - answer✔8'
Metallic noncurrent-carrying parts of an electrical system are bonded together to ensure _____. -
answer✔Proper operation of overcurrent devices in the event of a ground fault


(WTF does this mean? = The electrical system still works bc metallic parts are bonded together.
The system will still work bc of overcurrent protection from hot wire touching ground (aka g.
fault) )
The size of the equipment grounding conductor (ECG) is determined by the size of the _____. -
answer✔system overcurrent device

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