NEC

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Oversized Transformer
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9
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1K
ruxton.stanislaw Spammer
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D
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When is a neutral required in a 3ph system? Solar PV
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8
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1K
wwhitney
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Electrical tape at service point
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11
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3K
six73
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E
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MC in commercial/residential building
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1
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634
Fred B
Fred B
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Inquiring about the cable selection for areas outside the service entrance, specifically for the underground conduit.
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6
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703
LarryFine
LarryFine
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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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4K
augie47
augie47
Y
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XFMR Primary & Secondary Ampacity
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1
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598
david luchini
david luchini
P
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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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610
texie
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Demand factor on range
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3
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701
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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1K
david luchini
david luchini
Little Bill
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Help With 2020 NEC
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2
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626
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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791
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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1K
GetWiredEmpire
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Rheem water heater 3 phase chart calculation question
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9
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2K
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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