Electrical Calculations / Engineering

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Sizing a transformer
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9
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548
Btwixt
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Ampacity & ambient temperature question
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19
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2K
Ajr188
A
ctaylo360860
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how to size peak Surge Current Rating per Phase (kA) for SPD
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3K
petersonra
petersonra
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Farm Irrigation Electrical Pump Panels Surge Protection
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16
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1K
kwired
kwired
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Meter Location
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11
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paulcoulston
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STAR-DELTA starter converted to vfd with 6 leads motor(100hp /400vac/3phase/60hz)
2
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20
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3K
Besoeker3
Besoeker3
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Service main sizing
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18
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1K
electrofelon
electrofelon
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AC mains protection relay
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11
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1K
tom baker
tom baker
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Transformer question
2 3 4
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67
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5K
Mr.jjrooney
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Help with Wire Size with the Terminal Lugs Table for 1200A
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12
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2K
LarryFine
LarryFine
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Inverse Time CB Calculation
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10
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1K
kwired
kwired
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Low & Line Voltage Same Conduit
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15
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2K
don_resqcapt19
don_resqcapt19
ptonsparky
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Sensor type?
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9
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515
Jraef
Jraef
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How to calculate a proper amplifier gain?
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10
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1K
Speedskater
Speedskater
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Bus duct used as tie between switchgears
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8
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904
electrofelon
electrofelon
W@ttson
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208V 2 Pole Load
2 3
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41
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7K
wwhitney
W
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Fire Alarm Device/Control Unit Locations
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2
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570
JoeStillman
JoeStillman
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Multiple Wall Ovens Calculation
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2
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503
Dennis Alwon
Dennis Alwon
Tainted
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Regenerative Elevator Drive Back-feeding a Generator
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10
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2K
d0nut
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Washington State
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6
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tom baker
tom baker
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