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Electrical Calculations / Engineering
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How to predict KW rating and rated current when there is no nameplate on a three phase induction motor?
Muhammad Umer ansar
Dec 18, 2020
Replies
15
Views
1K
Dec 31, 2020
Besoeker3
D
Locked
Why run 3 wires to 208V-1PH FCU
designer82
Dec 27, 2020
Replies
6
Views
2K
Dec 30, 2020
kwired
D
Locked
Do you size the breaker for MFS of mech equipment?
designer82
Dec 30, 2020
Replies
2
Views
3K
Dec 30, 2020
texie
T
Locked
New York City Fire Alarm Code
infinity
Dec 23, 2020
Replies
7
Views
1K
Dec 28, 2020
mdd1986
M
W
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Residential Ground Conductor Experiment
WasGSOHM
Dec 20, 2020
2
3
4
Replies
67
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7K
Dec 28, 2020
kwired
K
Locked
Sizing 3 phase transformers with one or two phases pulling much more current than the other(s)
KyleFowler
Dec 23, 2020
Replies
6
Views
1K
Dec 24, 2020
KyleFowler
K
N
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Series Rating, different breaker, same TCC
NukePNW
Dec 23, 2020
Replies
5
Views
495
Dec 24, 2020
jim dungar
J
S
Locked
Ieee std 45.7 question
Savred22
Dec 22, 2020
Replies
3
Views
630
Dec 24, 2020
Jraef
C
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how did they get this
cjbouchard@bergco.com
Nov 30, 2020
Replies
1
Views
687
Dec 24, 2020
tortuga
Locked
"Rolling" Aux CT Circuit
mbrooke
Dec 21, 2020
Replies
8
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843
Dec 23, 2020
mbrooke
T
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CT on only one phase -what for?
Todd0x1
Dec 23, 2020
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7
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1K
Dec 23, 2020
Todd0x1
T
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receptacles in patient bathrooms - hospitals
mshields
Dec 23, 2020
Replies
1
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625
Dec 23, 2020
d0nut
D
I
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Study Question - Grounding Metal Handlhole Lids
I-learns
Dec 22, 2020
Replies
1
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615
Dec 22, 2020
I-learns
I
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Ampacity adjustment question
Dsg319
Jul 14, 2020
2
Replies
30
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3K
Dec 22, 2020
Carultch
C
C
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Arc Flash Protection for Switchgears, MCCs
Charz
Dec 21, 2020
Replies
6
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832
Dec 22, 2020
Jraef
D
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Replacing HVAC equipment with like for like - Reuse OCPD’S?
designer82
Dec 21, 2020
Replies
7
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1K
Dec 22, 2020
infinity
P
Locked
240.21(C)(4)(b) Interpretation
philly
Dec 21, 2020
Replies
6
Views
930
Dec 22, 2020
JoeStillman
B
Locked
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
Views
3K
Dec 21, 2020
kwired
D
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electric baseboard scope
designer82
Dec 19, 2020
Replies
16
Views
1K
Dec 21, 2020
Hv&Lv
H
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