Electrical Calculations / Engineering

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Placing Pullbox in front of Switchgear Rear Access Door
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5
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950
JoeStillman
JoeStillman
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Help! I need to sketch out what the equipment for a 600A service with a 400A ATS is going to look like against the house.
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3
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907
rnew
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Reusing starter bucket for new motor feed sizing question.
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5
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753
ptonsparky
ptonsparky
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Transformer sizing for deriving a neutral
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24
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3K
wwhitney
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Spacing between conduits when conduit enter wireway
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29
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4K
kwired
kwired
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Step-up Transformer 15kva 240 volt 3-phase to output 480-volt 3-phase (What size circuit breaker needed)
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1
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1K
tom baker
tom baker
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Pullbox splicing enough space?
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21
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1K
LarryFine
LarryFine
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Rooftop Ac Load calculation
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13
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2K
pmoney44
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I need assistance with 3-phase high leg delta load calculation
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3
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692
Jraef
Jraef
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Plenum Ceilings Junction box and conduit fittings
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5
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1K
don_resqcapt19
don_resqcapt19
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Dwelling Unit Service Load Calculation
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5
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7K
Birken Vogt
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Refeeding and splicing existing wires that are in concrete encase conduit
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26
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2K
Tainted
Tainted
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Consumption CTs
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3
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800
David Castor
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Load Calculations for Pump Stations
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1
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716
tom baker
tom baker
ptonsparky
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Plant based insulation
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9
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2K
PaulMmn
PaulMmn
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Wire Derating Table 310.15( C )( 1 )
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15
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5K
kwired
kwired
Grouch
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Electricity Rates
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9
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2K
kwired
kwired
ptonsparky
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Where does it come from?
2 3
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43
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4K
kwired
kwired
FlyWhale
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Buck Boost Transformers / 3 Phase using 2 Single Phase Buck Boost Transformers
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28
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4K
kwired
kwired
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Feeders in service end box in NYC
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1
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616
electrofelon
electrofelon
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