Electrical Calculations / Engineering

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Modifying Existing MCC
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FaradayFF
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D
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Buck and boost for load increased portion only
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7
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dannyrzk
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Fuse or Breaker to protect Heat Pump
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topgone
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Feeder Size
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infinity
infinity
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NEC 2017, How is Table 220.88 Optional Method applied to a load calculation
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david luchini
david luchini
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Relay coordination
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topgone
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ptonsparky
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Harmonics and PF
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7
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Besoeker3
Besoeker3
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duct bank
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4
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ron
ron
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Customer Has Been Dropping a Phase
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12
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mivey
mivey
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Does 208V 100A 3ph input approx. equal 480V 30A 3ph output for a step-up transformer?
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10
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Besoeker3
Besoeker3
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Engineer vs EC
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10
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tortuga
tortuga
Johnhall30
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Meter/ Load center Tap conductors
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Johnhall30
Johnhall30
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A really bad day: marine 138KV cables damaged
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Open Neutral
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ptonsparky
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Primary lost phase
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synchro
synchro
Shujinko
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Handhole for Service Conductors
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3
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Shujinko
Shujinko
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Utility Transformer Grounding
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1
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electrofelon
electrofelon
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Question on Fault Current
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Julius Right
Julius Right
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Feeder Size
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6
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oldsparky52
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steve66
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Separation of ATS Feeders for a hospital (more than 150KVA)
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3
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Russs57
R
charlie b
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IEEE Standards Dictionary
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7
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rbalex
rbalex
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