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Exam 10: Comprehensive Provisions

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Question 1

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Each occupant must have ready access to ____ protecting the conductors supplying that occupancy.

A) primary feeders
B) all overcurrent devices
C) panel boxes
D) service laterals

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Question 2

Multiple Choice

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Conductors must have ____ and sufficient ampacity to carry the current for the load as calculated.

A) sufficient length
B) adequate insulation
C) adequate mechanical strength
D) definitive markings

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Question 3

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Skin effect and induction change the resistance in alternating-current (ac) circuits, therefore resistance of a conductor is ____.

The larger the circular mil area of a conductor, the ____.

____ is defined as the underground conductors between the utility electric supply system and the service point.

Service conductors supplying a building (or other structure) shall not ____.

If the load requirements of a single-phase installation are greater than the serving agency normally supplies through one service, ____ are permitted.

A drip loop's lowest point has a minimum vertical clearance of ____ ft.

The recommended voltage drop for a branch circuit is ____ % or less.

General receptacle installation provisions for multifamily dwellings are almost identical to those for ____.

All electric equipment must be ____ to allow ready and safe equipment operation and maintenance.

The maximum distance to any receptacle, measured horizontally along the wall line, is ____ in.

The vertical clearance above roof level must be maintained for a distance of at least ____ ft from all edges of the roof.

Dwelling-unit branch circuits shall supply only loads within, or associated only with, ____.

All 125-volt, single-phase, 15- and 20-ampere dwelling unit outdoor receptacles must have ____.

A minimum of ____ wall switch-controlled lighting outlet(s) is (are) required for dwelling hallways.

A single-phase feeder (or branch circuit) conductor will have a total resistance ____ that of one conductor.

The conductors and equipment that deliver energy from the electricity supply system to the wiring system of the premises are called the ____.

Kitchen receptacles not serving countertops (such as receptacles behind refrigerators) ____ unless they are installed within 6 ft of the outside edge of the sink.

____ is the maximum number of disconnects per service grouped in any one location.