Electrical Calculations / Engineering

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20 kw 25 kva Cummings generator.
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2
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MTW
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Reuse overhead meter for underground svc.
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9
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zbang
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Residential elevator rating
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6
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1K
JFletcher
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Short Circuit Current at terminal of Utilities service Transformer
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2
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951
Piramyd
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benmin
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Air conditioner OCPD
2
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26
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4K
infinity
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125% Largest Motor Value follow all the way to the switchboard?
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1
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2K
charlie b
charlie b
luckylerado
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Help with TAP rules and Secondary OCP requirement
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2
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899
kwired
kwired
Arkansas74
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BFF or soft start
2
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32
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4K
kwired
kwired
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CB or Fused Switch as Main Svc. Disconnect?
2
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23
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3K
Jraef
Jraef
mbrooke
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Underground cable system- how many?
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18
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2K
Ingenieur
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Peer check Riser please
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4
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1K
charlie b
charlie b
C
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motor feeder
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1
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648
ActionDave
ActionDave
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Article 700.28, selective coordination of EM system
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4
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ron
ron
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State Licensing
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5
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1K
MBLES
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mshields
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excavating under existing building for new service to building
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5
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1K
zbang
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Transformer size VS Switchboard Rating
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2
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1K
schicco
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charlie b
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Multiconductor Cable Ampacity
2 3
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48
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8K
Julius Right
Julius Right
Besoeker
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Which comes first?
2
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24
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3K
kwired
kwired
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Switchgear Heat Loss
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2
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4K
drktmplr12
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what size wire do you need for a water grnd. 200 amp. residential svc.
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1
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683
infinity
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