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Electrical Calculations / Engineering
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240.21(C)(4)(b) Interpretation
philly
Dec 21, 2020
Replies
6
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931
Dec 22, 2020
JoeStillman
B
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Does my panel's AC unit limit the panels SCCR rating to 5kA?
BN32
Dec 17, 2020
Replies
8
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1K
Dec 22, 2020
BN32
B
P
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Buck Boost XFMR
PAUL50
Dec 20, 2020
2
3
Replies
43
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3K
Dec 21, 2020
kwired
D
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electric baseboard scope
designer82
Dec 19, 2020
Replies
16
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1K
Dec 21, 2020
Hv&Lv
H
D
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Fire Alarm Panel in Type R-3 Residential?
designer82
Dec 17, 2020
Replies
2
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440
Dec 21, 2020
JoeStillman
S
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Sizing CT for Solidly Grounded Transformer
SIUJ
Dec 21, 2020
Replies
2
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538
Dec 21, 2020
JoeStillman
D
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Automatic Door Opener locations - Vestibule doors
designer82
Dec 19, 2020
Replies
2
Views
921
Dec 21, 2020
d0nut
D
J
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120v to 240v a Westinghouse 3600v generator and a HS1F2AS, can it be done?
junebug
Dec 20, 2020
Replies
1
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516
Dec 20, 2020
Dennis Alwon
J
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Multiple kilns
jdping2
Dec 18, 2020
Replies
9
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798
Dec 20, 2020
James L
M
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Why there are two KW ratings of Three phase induction motor?
Muhammad Umer ansar
Dec 17, 2020
2
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21
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3K
Dec 19, 2020
Carultch
C
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Explosion Proof Hoods
mshields
Dec 18, 2020
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2
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745
Dec 18, 2020
rbalex
E
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Motor Conductor Calculations
ElectricMatt
Dec 16, 2020
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10
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1K
Dec 18, 2020
ElectricMatt
E
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Pull box sizing and 314.28
LarryFine
Nov 18, 2020
2
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21
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6K
Dec 17, 2020
LarryFine
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2 hour fire rated feeders to elevator machine rooms
mshields
Dec 17, 2020
Replies
3
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2K
Dec 17, 2020
mshields
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Sometimes I wish for an engineer
ptonsparky
Dec 16, 2020
Replies
8
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1K
Dec 17, 2020
ptonsparky
M
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Distribution Inquiry
Mr. Sparkles
Dec 16, 2020
Replies
9
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1K
Dec 16, 2020
electrofelon
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Large HP Motor
Shaneyj
Dec 15, 2020
2
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32
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3K
Dec 16, 2020
drcampbell
G
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wireless amp meter
Greg1707
Dec 11, 2020
Replies
12
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1K
Dec 15, 2020
don_resqcapt19
Locked
Single phase solar dumping into a three phase grid.
11bgrunt
Dec 11, 2020
Replies
3
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565
Dec 14, 2020
Carultch
C
D
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Conduit Under Building - Encase in Concrete or Direct Buried
designer82
Dec 6, 2020
Replies
3
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2K
Dec 14, 2020
JoeStillman
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