NEC

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Is it permissible to use THHN/THWN cable instead of USE-2 cable in underground conduits?
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5
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2K
Rory Choicllroy
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Jpflex
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Transformer pri & sec OCPD 125 or 250%
2
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32
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5K
augie47
augie47
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XFMR Primary & Secondary Ampacity
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1
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608
david luchini
david luchini
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Surge Protection for Feeders NFPA70 2023
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6
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3K
Leespark57
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Does Drywall Ceiling = Structural Ceiling
2
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31
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5K
letgomywago
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24V Transformer into down facing hard ceiling mounted receptacle
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1
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615
texie
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Demand factor on range
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3
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726
infinity
infinity
tortuga
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Odd range nameplate 110.3(B) VS T220.55
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11
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2K
david luchini
david luchini
Little Bill
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Help With 2020 NEC
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2
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644
Little Bill
Little Bill
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2017 NEC 210.52(E)(1) - Existing Single Family Outdoor Unit
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8
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815
LarryFine
LarryFine
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Metal detached garage
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10
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2K
Joe.B
Joe.B
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Annex C conduit,tubing, and cable tray fill tables wrong page directions on 2023 nec book
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0
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1K
Rayoback87
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2023 NFPA 70, 90.9(C) Permitted Uses of Soft Conversion
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4
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2K
GetWiredEmpire
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Rheem water heater 3 phase chart calculation question
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9
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3K
wwhitney
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2023 NFPA 70, 355 Reinforced Thermosetting Resin Conduit (RTRC)
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1
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1K
GetWiredEmpire
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mayanees
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NEC 495.70 and 495.71 Clarification as to why a 3-phase solidly grounded wye source is required.
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13
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2K
joymon
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2023 NFPA 70, 356 Liquidtight Flexible Nonmetallic Conduit (LFNC)
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2
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3K
ramsy
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Shockedby277v
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NEC app
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7
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2K
texie
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Wiring methods in hospitals and AHCA regulations in FL
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3
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1K
marcosgue
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Sizing of Feeder Protection UL508A vs NEC
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3
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2K
Edonlon
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