Electrical Calculations / Engineering

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3-phase and single-phase motor interlock control wiring diagram
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charlie b
charlie b
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Converting Delta Delta to Grounded-Wye
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15
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3K
kwired
kwired
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If a motor runs on 230V at 47A, how many amps will it draw at 208V?
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42
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kwired
kwired
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fire riser and electrical panel share same room?
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2
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gadfly56
gadfly56
ptonsparky
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Why 3ph power supply?
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5
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milldrone
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mshields
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3 phase open delta system
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18
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LarryFine
LarryFine
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Heated floor ohms is off the chart
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7
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kwired
kwired
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Box Size for Furniture Infeed
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3
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949
infinity
infinity
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Larger conductors save money.
2
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25
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peter d
peter d
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120V Service Feed to 240V Panel
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5
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hbiss
hbiss
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3 Phase power supply in FLA Calc.
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3
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957
hbiss
hbiss
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Where do we use 1.73 when calculating 3 phase power
2
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23
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domnic
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Trouble with a 5KV circuit.
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sameguy
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UL 508A Sizing feeder Circuit
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6
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Jraef
Jraef
Jon456
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Which are the correct values to use in load calcs?
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3
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david luchini
david luchini
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PVC Conduit and Frost Line
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6
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MyCleveland
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mbrooke
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Help with two generators
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19
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mbrooke
mbrooke
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Custom automatic transfer switching enclosure advice needed
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5
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HertzGood85
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Jon456
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208/120V 4-Wire Feeders. How do I decide if neutral is current carrying?
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4
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LarryFine
LarryFine
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Input Wattage for mix and match ballast & lamps
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4
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gar
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