Electrical Calculations / Engineering

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Hourly Consultant Help on 3-PH commercial power design?
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6
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934
electrofelon
electrofelon
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Lifts
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12
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1K
Sberry
Sberry
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multi motor service size vs feeder OCPD
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3
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933
wwhitney
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Sberry
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requirements for integral switch on a welding machine.
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0
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502
Sberry
Sberry
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Medium Voltage Switch sizing
2
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24
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4K
electrofelon
electrofelon
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480 volt step down transformer Disconnect
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7
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1K
ActionDave
ActionDave
Sparky2791
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Help - 1200A Electronic trip circuit breaker Tripping
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6
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898
Sparky2791
Sparky2791
don_resqcapt19
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protective relay settings
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11
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882
don_resqcapt19
don_resqcapt19
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THD - current relevancy with LED driver PSUs
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7
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2K
markjkubicki
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Mr. Pickle
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UL listing for replacing equipment in existing gear
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6
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2K
Jraef
Jraef
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VFD input ocpd sizing
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3
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667
Rhazel
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Thermostat for 208V heater?
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3
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725
Isaiah
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kingpb
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Pad Mounted Transformer in Parking Garage
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11
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2K
ggunn
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Cable Tray Width
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4
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2K
Julius Right
Julius Right
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Voltage Drop & NEC
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6
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3K
wwhitney
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Electrical Installation Details
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1
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842
mistrspark
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Tainted
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120V, 1HP motor control
2 3
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43
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4K
Knightryder12
Knightryder12
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Power, Lighting, and HVAC allowed watts/sqft
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11
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4K
mtnelect
mtnelect
W@ttson
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Flux vector drive, motor, back drive
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8
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1K
W@ttson
W@ttson
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Install Question
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9
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916
hillbilly1
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