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Electrical Calculations / Engineering

Merry Christmas
A
Help sizing circuit breaker feeding a motor via a VFD
Replies
15
Views
571
Jraef
Jraef
Tainted
NEC table 310.15(B)(16) and wireways
Replies
2
Views
242
don_resqcapt19
don_resqcapt19
M
Is the Southwire Voltage drop calculator wrong?
2
Replies
25
Views
2K
Frank DuVal
F
G
Why can't different insulation ratings be used in same conduit
2
Replies
21
Views
836
sgtsparky
S
Grouch1980
Reduced Neutrals
Replies
12
Views
452
electrofelon
electrofelon
T
School lighting load calculation
Replies
9
Views
379
Trep21
T
P
Mixed use building service sizing
Replies
3
Views
212
PizzaSolei
P
J
  • Locked
Question on 400 amp 120/208 3 phase
Replies
1
Views
187
Little Bill
Little Bill
N
Brake Resistor Sizing
Replies
7
Views
384
petersonra
petersonra
A
Multiple Homes One service
Replies
14
Views
766
ActionDave
ActionDave
MechEdetour
HRG system + separately derived system + L-N loads
Replies
12
Views
405
MechEdetour
MechEdetour
M
Breaker sizing for a panel with 2 motors with VFDs and a PLC
Replies
1
Views
231
Jraef
Jraef
K
HV Batteries and kAIC Calculation
Replies
8
Views
297
Elect117
E
D
Delta to Delta Transformer Grounding
Replies
7
Views
297
JoeStillman
JoeStillman
Keri_WW
SPD - Breaker Location
Replies
3
Views
179
jim dungar
J
Grouch1980
Section 422.31(B)
Replies
1
Views
321
Dennis Alwon
Dennis Alwon
D
Solar PV for Multi-family?
Replies
4
Views
355
ggunn
G
A
Expansion/Deflection Fittings
Replies
3
Views
287
Alwayslearningelec
A
T
Delta to wye
Replies
13
Views
556
augie47
augie47
K
Is it technically possible to Loop Feed 2MVA Wye-Wye to 1MVA Delta-Wye Transformer? Fed from 3 Wire, 34KV line from utility distribution line.
Replies
9
Views
556
electrofelon
electrofelon
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