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Electrical Calculations / Engineering
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I have 415/240V transformer. Turns out my loads need 240V phase to phase...
tecorp
Jul 6, 2023
2
Replies
37
Views
1K
Jul 7, 2023
wwhitney
W
W
75KVA or 112.5KVA transformer?
Weezyvelli410
Jun 30, 2023
Replies
7
Views
1K
Jul 6, 2023
junkhound
K
Control Transformer for Corner grounded delta source
knorthouse
Jul 5, 2023
Replies
7
Views
330
Jul 6, 2023
knorthouse
K
Using 2 poles from a 3 pole disconnect switch
Grouch1980
Jul 5, 2023
Replies
2
Views
405
Jul 5, 2023
Grouch1980
Arc Flash label exceptions
powerpete69
Apr 25, 2023
Replies
11
Views
703
Jul 5, 2023
David Castor
D
Minimum 90 degree bending radius for EMT conduit
Tainted
Jul 5, 2023
Replies
8
Views
3K
Jul 5, 2023
Tainted
Max Available fault short circuit current
Jpflex
Jun 30, 2023
2
Replies
34
Views
2K
Jul 5, 2023
Joethemechanic
Duplex Optional Method Calc?
Psychlo
Jun 11, 2023
2
Replies
28
Views
1K
Jul 4, 2023
wwhitney
W
N
CT Polarity Question
nuckythompson
Jul 4, 2023
Replies
7
Views
403
Jul 4, 2023
jim dungar
J
T
Help calculating usage with only utility info
Timona
Jun 22, 2023
Replies
10
Views
583
Jul 4, 2023
solarken
S
R
Reverse feeding transformer 75kw 208v to 480 v
rodney2525
Jun 28, 2023
Replies
15
Views
548
Jul 3, 2023
Jraef
A
How does a multimeter work?
Abraham V
Jul 3, 2023
Replies
4
Views
373
Jul 3, 2023
Abraham V
A
P
Service conductor sizing question
paullmullen
Jul 2, 2023
Replies
8
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787
Jul 3, 2023
wwhitney
W
W
Transformer Primary/Secondary Current Relationships: Split Single Phase Case
wwhitney
Jun 27, 2023
Replies
17
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2K
Jul 2, 2023
gar
G
Mixing and matching 220 feeder calculations for same service?
Ricko1980
Jul 2, 2023
Replies
0
Views
224
Jul 2, 2023
Ricko1980
S
Looking for licensed PE in CA to review medium voltage fuse cabinet for code compliance/safety
sea-speak
Jun 28, 2023
Replies
5
Views
392
Jun 30, 2023
Jraef
F
Exterior motor code
Fordean
Jun 29, 2023
Replies
2
Views
436
Jun 29, 2023
kwired
F
Isolation Transformer Suggestion
FaradayFF
Jun 28, 2023
Replies
7
Views
475
Jun 29, 2023
don_resqcapt19
T
NEC Chapter 9 Note 7
tryingEE
Jun 28, 2023
Replies
11
Views
723
Jun 29, 2023
wwhitney
W
D
Sizing the nuetral for a 1600 amp generator
DAN DRENTH
Jun 28, 2023
Replies
6
Views
428
Jun 28, 2023
don_resqcapt19
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