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Exam 5: Bonding

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Question 1

True/False

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"Normal" bonding methods are considered adequate for most circuits.

A) True
B) False

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Question 2

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When bonding metal equipment is installed remotely from the service equipment, the metal raceway and meter enclosure must be bonded to the ____.

A) current transformer
B) grounding electrode
C) system neutral
D) transformer

E) A) and C)
F) None of the above

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Question 3

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Special assured bonding is required for some systems and circuits, including the service (250.92) , over-____ volts-to-ground circuits (250.97) , and hazardous locations (250.100) .

Bonding is required to be provided where necessary to ensure electrical continuity and the capacity to conduct safely any ____________________ likely to be imposed.

The term "____" is defined in NEC Article 100 as "connected to establish electrical continuity and conductivity."

According to the Code, which of the following is found in a Class II location?

All metal enclosures containing an ungrounded ("hot") service conductor are bonded together by use of the grounded ____ conductor.

Exposed structural metal that is interconnected to form a metal building frame that is not intentionally grounded and is likely to become ___________________ is required to be bonded.

Metal water pipes and structural metal qualify as grounding electrodes.

It is not uncommon for electrical designers to require an equipment grounding conductor to be installed in every raceway even though the raceway is metal and recognized in the NEC as an equipment grounding conductor.