Electrical Calculations / Engineering

E
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Multiple Services to 3 buildings (230.2)
Replies
4
Views
1K
JoeStillman
JoeStillman
M
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SC study for single-phase system feeding VFD to run 3-phase motor
Replies
11
Views
1K
JoeStillman
JoeStillman
Tainted
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Max fuse size on load and adding circuit to this load
Replies
5
Views
915
Jraef
Jraef
N
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215.2(A) and continuous motor loads
Replies
3
Views
681
wwhitney
W
Ponchik
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Why my numbers don't match
Replies
15
Views
2K
Ponchik
Ponchik
S
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Optimal number of redundancies & spares?
Replies
2
Views
1K
drktmplr12
D
D
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Industrial Control Panel - Ground Bus
Replies
3
Views
1K
drktmplr12
D
m sleem
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Summation of apparent power
Replies
4
Views
1K
drktmplr12
D
F
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Explosion ey fittings
Replies
3
Views
830
brantmacga
brantmacga
K
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High-leg Delta System Calculations
Replies
0
Views
755
Kaizoku_Juffy
K
F
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Garage floor Class 1 Div 2 Where Maintainance or leakage of flammable vapors exists.
Replies
2
Views
749
Fordean
F
T
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Optional method a/c versus heat
Replies
4
Views
990
Tsull048
T
R
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3x 1P RCBO instead of 1x 3P RCBO...
Replies
1
Views
753
tom baker
tom baker
F
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Definite purpose contactor
2
Replies
21
Views
5K
petersonra
petersonra
Tainted
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Increasing capacity of service, but not adding any new load
Replies
16
Views
2K
electrofelon
electrofelon
A
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Recept. & Relay Panels
Replies
6
Views
2K
brantmacga
brantmacga
A
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Recept. Control
Replies
5
Views
920
Alwayslearningelec
A
Sparky2791
  • Locked
Arc Fault @ Existing Panelboards
Replies
7
Views
1K
brantmacga
brantmacga
I
  • Locked
Photo cell w/o contactor
2 3
Replies
45
Views
7K
MD Automation
M
Jpflex
  • Locked
3 phase transformer secondary sizing
Replies
7
Views
1K
Jpflex
Jpflex
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