Service Requirements - Section 6 Flashcards

1
Q

When is a mast required for a consumer’s service?

A

When conductors need to be raised to meet clearance requirements.

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2
Q

How far below a service head must supply conductors be mounted?

A

150-300 mm

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3
Q

What is the difference between hot and cold sequence metering?

A

The location of the meter.

  • Hot sequence meter is mounted on the supply side of the service box.
  • Cold sequence meter is mounted on the consumers side of the service box.
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4
Q

What is a bypass means?

A

A device which allows a meter to be removed from the base without disconnecting the load from the source.

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5
Q

All service equipment must be installed in an area satisfactory to whom?

A
  1. Supply authority
  2. Inspection authority.
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6
Q

Must underground service conductors be suitable for wet locations?

A

Yes.

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7
Q

What are two benefits to underground services?

A
  1. A more attractive community.
  2. Fewer maintenance problems.
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8
Q

When discussing residential service mast dimensions, what is an invaluable resource?

A

6-112(4) appendix b.

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9
Q

May a residential service box be an integral part of a panelboard?

A

In a combination panelboard.

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10
Q

What three parts make up a residential service?

A
  1. Supply service.
  2. Consumer’s service.
  3. Service box.
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