Electrical Calculations / Engineering

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VFD for single phase 240 volt to three phase 240 volt 5 HP rated CNC machine
2
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28
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3K
petersonra
petersonra
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Service Sizing for Golf Course Pump Station
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7
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1K
Jraef
Jraef
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Breaker Sizing UL508A
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5
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973
petersonra
petersonra
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Following 2020 and next NEC changes, is the tankless water heater CONTINUOUS load or not.
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15
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3K
retirede
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Circuit Breaker Settings
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12
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2K
1965mt
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Exit Signs in Dormitories?
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3
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736
David Castor
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Multiple Fire Pumps / Single Circuit
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9
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2K
NSHHS
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Grounding transformer for Ameren utility
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3
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891
Hv&Lv
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600 amp service entrance design to be submitted to POCO, looking for input.
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4
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827
Tyler55
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Transformer design& Sizing documents
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3
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793
petersonra
petersonra
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CT Cabinet has no knockouts. Do you drill holes?
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7
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1K
roger
roger
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600 amp 1Ph CT mounting base help
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5
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825
Tyler55
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FMC allowed to penetrate concrete?
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12
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1K
JoeStillman
JoeStillman
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Transformer sizing
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4
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826
jim dungar
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Multi-family load calculation question
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5
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851
JoeStillman
JoeStillman
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AL vs Stl.
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2
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774
JoeStillman
JoeStillman
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OLTC requirement for the transformers
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13
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1K
JoeStillman
JoeStillman
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Non-classified induction motors
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1
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640
petersonra
petersonra
mayanees
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75 hP Motor Application with 150 hP motor installed
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10
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1K
mayanees
mayanees
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24VAC Transformer Wiring?
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3
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928
jim dungar
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