Electrical Calculations / Engineering

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question on NEC tables 310.15 (B)(1) and 310.15(c)(1)
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2K
Matt the electrician
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Thermal resistance for 480VAC feeders at varying depths?
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7
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1K
Dale001289
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EV chargers, Article 220.83, Article 310.12, another residential idiot arguing with the AHJ!
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12K
jaggedben
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8kw standby
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7
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875
jaggedben
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% fill on a light fixture (chandelier)
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1
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623
Little Bill
Little Bill
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Multi axis servo and conductor sizing
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1
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644
Eddie702
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Another 25 ft Tap rule
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6
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993
KevinKos
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Sizing neutral using Optional Method?
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5
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1K
wwhitney
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Spare Capacity included in Panel Load Calculations
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3
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wwhitney
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k-rag
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220.16(A) Existing Installations Additions. (2023 NEC)
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5
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k-rag
k-rag
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MV-105 Cable Ampacity Temperature Limitations
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1K
ron
ron
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Conductor size
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17
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retirede
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240V to 480V Equipment Feed
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20
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2K
Jraef
Jraef
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Hot tub element resistance
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14
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2K
Jraef
Jraef
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Zero Sequence flow of YgYg transformers
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8
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3K
David Castor
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Voltage drop & conductor size
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4
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714
wwhitney
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Re-feeding an existing 240/120V Delta service from 480/277V
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21
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hillbilly1
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Buck Boost Transformer
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57
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7K
topgone
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Largest Motor
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8
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2K
robert.mcchesney@perrytec
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Ampacity table for single 105°C and 125°C insulated conductors in free air?
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0
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643
alej27
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