Electrical Calculations / Engineering

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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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682
dvcraven052256
D
ptonsparky
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Under voltage relay
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9
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989
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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776
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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807
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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885
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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853
energywork
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240v elements on 480v supply
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2
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754
Jraef
Jraef
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Rationale for 220.82 not permitting 3-phase services?
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8
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832
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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681
designer82
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I
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Help
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1
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570
ActionDave
ActionDave
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Service Conductors to Fire Pump Controller - Grounded Conductor
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6
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591
augie47
augie47
M
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Utility companies scope of work for transformers
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10
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1K
electrofelon
electrofelon
R
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460V to 480V
2
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21
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1K
winnie
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