1. |
The supply side bonding jumper shall be permitted to be of _______________type or of the wire or bus type.
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a)
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nonflexible metal raceway
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b)
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flexible metal raceway
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c)
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nonmetallic raceway
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2. |
The grounded conductor shall not be smaller than the required grounding electrode conductor specified in ____________ but shall not be required to be larger than the largest derived ungrounded conductor(s).
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a)
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Table 250.102
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b)
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Table 250.66
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3. |
If the source of the separately derived system is located outside the building or structure supplied, a Grounding electrode connection _______________ to one or more grounding electrodes in compliance with 250.50.
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a)
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inside the building
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b)
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must be made at the first disconnect location
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c)
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must be made at the source location
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4. |
If a Buildings or Structures Supplied by Separately Derived Grounded System
________________, as described in 250.118, shall be run with the supply conductors and be connected to the building or structure disconnecting means and to the grounding electrode(s).
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a)
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an equipment grounding conductor
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b)
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a grounding electrode conductor conductor
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c)
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a bonding conductor
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5. |
An equipment grounding conductor shall not be used as ________________.
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a)
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a grounding electrode
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b)
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a grounding electrode conductor
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6. |
In general copper ribbons used for equipment grounding conductors in circuits of 1 KV and over are ______________ for solidly grounded systems.
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a)
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insufficient
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b)
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sufficient
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7. |
Boxes are required to be a minimum of ___________ spacing from corrugated sheet roof decking.
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a)
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˝ inch
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b)
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1 inch
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c)
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1 ˝ inch
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8. |
A cable, raceway, or box _________ be installed in concealed locations in metal-corrugated, sheet decking– type roof.
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a)
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are permitted to
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b)
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shall not
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9. |
__________ expansion/deflection fitting or other approved means shall be used where a raceway crosses a structural joint intended for expansion, contraction or deflection, used in buildings, bridges, parking garages, or other structures.
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a)
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A listed
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b)
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An approved
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c)
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An identified
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10. |
_________________________________ are permitted to be installed under a building in concrete, fill, or other masonry without being installed in a raceway.
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a)
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UF cable and USE conductors
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b)
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Type MC cable listed for direct burial and Type MI cable
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