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Electrical Calculations / Engineering
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Please discuss volts/mil vs electrical stress
electrofelon
Feb 16, 2022
Replies
15
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1K
Feb 17, 2022
gar
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Outdoor Transformer Primary ocpd
PowerdT
Feb 15, 2022
Replies
2
Views
381
Feb 16, 2022
kwired
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using a 3 phase panel on a 120/240V system
mshields
Feb 15, 2022
Replies
15
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1K
Feb 16, 2022
kwired
Locked
Adding or upgrading a dwelling unit to an existing multifamily dwelling
Tainted
Feb 15, 2022
2
Replies
21
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1K
Feb 15, 2022
winnie
W
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Calculating amperage
AJones
Feb 14, 2022
2
Replies
20
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2K
Feb 15, 2022
Besoeker3
K
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45kVA step-up transformer secondary OCPD
kchap
Feb 14, 2022
Replies
5
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758
Feb 14, 2022
petersonra
P
S
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NEC 240.4 Rule Question
summoner12
Feb 14, 2022
Replies
1
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450
Feb 14, 2022
Dennis Alwon
T
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VD question
Tulsa Electrician
Feb 13, 2022
Replies
19
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835
Feb 13, 2022
hillbilly1
H
F
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48.8 Hp 480 Motor
Fordean
Feb 9, 2022
2
3
Replies
42
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3K
Feb 13, 2022
Fordean
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Article 220.83(A) - Air-Conditioning Loads
Tainted
Feb 4, 2022
2
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31
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3K
Feb 13, 2022
tortuga
S
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Auxiliary gutter
Stratdog35
Feb 11, 2022
Replies
2
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703
Feb 11, 2022
don_resqcapt19
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3-phase, 2 speed induction motor
rivecar44
Feb 10, 2022
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1
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467
Feb 10, 2022
Jraef
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Fixed multi-outlet assemblies in a dwelling unit
Blaine25168
Feb 10, 2022
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8
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1K
Feb 10, 2022
LarryFine
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Overcurrent pick up for upstream fault
JabBauer
Feb 10, 2022
Replies
2
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536
Feb 10, 2022
petersonra
P
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Low voltage communication wire
frofro19
Feb 9, 2022
Replies
13
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572
Feb 9, 2022
don_resqcapt19
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Temporary Power
lookingforhelp
Feb 9, 2022
Replies
5
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716
Feb 9, 2022
zbang
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2017 NEC Example D3(a)
johnson151
Feb 9, 2022
Replies
3
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385
Feb 9, 2022
infinity
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Over current of Fire pump three phase 50 hp, 480v with locked rotor current of 6kw per hp. Control located outside. Question on master electrician xam
sparky915
Feb 4, 2022
Replies
1
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324
Feb 7, 2022
Jraef
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Transformer sizing 3phase 120/208wye - 480 delta
Fordean
Feb 5, 2022
Replies
12
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574
Feb 7, 2022
zbang
Z
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50 or 17 MS transfer switch WCR
electrofelon
Feb 4, 2022
Replies
15
Views
1K
Feb 7, 2022
jim dungar
J
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