Electrical Calculations / Engineering

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Breaker Larger than Fused Disconnect Rating
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12
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1K
kwired
kwired
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Electric Range Load in 220.42 vs 220.84
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2
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595
KBot9
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Cartoon1
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Opinion of a 3 phase panel in an condominium unit
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18
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1K
petersonra
petersonra
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Motor control panel
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10
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1K
don_resqcapt19
don_resqcapt19
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Grounding Electrode Size
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3
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708
dvcraven052256
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ptonsparky
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Under voltage relay
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9
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1K
grich
grich
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Single phase vs 3 phase efficiency
2 3
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54
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8K
Neo Is The One
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GFCI and AFCI requirements
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5
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1K
marmathsen
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Grouch
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Existing Electrical Room now surpassing 1000 KVA
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13
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1K
Grouch
Grouch
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Using a single phase of 3 phase transformer
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9
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1K
petersonra
petersonra
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Busbar Size
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4
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828
NewElec
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Do we select what starter type to use with certain motors or does the manufacturer specify?
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2
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853
jim dungar
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Two Electrical Services - Code Question
2
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31
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2K
wwhitney
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120/240 delta service changing to 120/208 wye
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7
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918
jcbabb
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Line-side-bus-tapped new main service off existing switchgear? (California)
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6
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917
energywork
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240v elements on 480v supply
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2
Views
793
Jraef
Jraef
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Rationale for 220.82 not permitting 3-phase services?
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8
Views
859
tortuga
tortuga
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600a ring-type meter socket with bypass?
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15
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2K
jaggedben
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Meter Center Upgrade - Live work
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4
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704
designer82
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Help
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1
Views
578
ActionDave
ActionDave
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