Electrical Calculations / Engineering

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Circuit breaker usage
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10
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Jraef
Jraef
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I'm trying to understand an old engineers report for our apt building's electrical system.
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15
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2K
jusme123
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422.11 E 3
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6
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Greg1707
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Disconnector/Breaker for Auto Transfer Switch
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12
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Jraef
Jraef
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Generac transfer switch
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1
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732
LarryFine
LarryFine
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NEC 2020 Changes that could increase live to live working distances
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16
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3K
don_resqcapt19
don_resqcapt19
mshields
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Local disconnect for harmonic filter
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1
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1K
Jraef
Jraef
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Mobile Home Park Electrical System wiring
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13
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5K
zemingduan
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Grouch
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Splicing different insulation types
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6
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986
Grouch
Grouch
mbrooke
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Metering CT or Protection CT
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19
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5K
mbrooke
mbrooke
mbrooke
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Zero Sequence (neutral) CT Wiring
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5
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2K
ron
ron
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Generator Sizing
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1
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650
tom baker
tom baker
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Adding a parallel wire that is smaller
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14
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mbrooke
mbrooke
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MiCOM P122 Question
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1
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857
Hv&Lv
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mbrooke
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Can an iron core both generate and absorb vars?
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32
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3K
mbrooke
mbrooke
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Allocating lines from my 3P breaker
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4
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700
Jraef
Jraef
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Non Linear Load Calculation
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7
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2K
synchro
synchro
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load calc
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4
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1K
oldsparky52
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mbrooke
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Amp rating of current meters
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19
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2K
mbrooke
mbrooke
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Xfrmr Rating
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8
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956
petersonra
petersonra
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