Electrical Calculations / Engineering

Merry Christmas
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NFPA 70E TABLE MAX FAULT CLEARING TIME
2
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23
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17K
jim dungar
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Zero Sequence CT
2
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25
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21K
Bugman1400
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Sizing Equipment Grounding Conductor
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16
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9K
luckylerado
luckylerado
fifty60
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Wetting Current/PLC Input
2
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24
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12K
fifty60
fifty60
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70E Informational Notes
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2
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1K
mayanees
mayanees
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ATS - 480v Utility side feeding disconnect switch and transformer.
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3
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2K
coop3339
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Do i have enough power to run this equipment?
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1
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3K
Dennis Alwon
Dennis Alwon
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replacing delta high leg services with straight 3-phase
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8
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4K
kwired
kwired
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Current Limitation to expand SCCR of panel - OCPD opening sequence?
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5
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2K
MWh_Pro
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Oregon Supervisor Test....
2 3
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43
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15K
kwired
kwired
electrofelon
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80% vs 100% breaker
2
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28
Views
15K
kwired
kwired
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2"EMT
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6
Views
2K
Fulthrotl
Fulthrotl
fifty60
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Control Circuit 208V--Wire Gauge
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7
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3K
augie47
augie47
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6 wire 1 phase motor with no lead markings
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4
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14K
Jraef
Jraef
fifty60
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Voltage Too Low--Damaged Relay
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4
Views
3K
mgookin
mgookin
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Municipal Instrumentation Calibration
2
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20
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6K
Electric-Light
Electric-Light
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sizing surge suppressor for exist. switchboard
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1
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1K
ron
ron
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sizing conduit(s), fill, and derating
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1
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2K
charlie b
charlie b
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4160 volt motor problem
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7
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4K
Bugman1400
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How to check polarity of each winding in 3-phase motor?
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15
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43K
winnie
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