Electrical Calculations / Engineering

powerpete69
Megger resistance threshold for 5KV shielded substation feeder cables
Replies
2
Views
503
powerpete69
powerpete69
S
120/208V 3 Phase to 120/240V Single Phase
Replies
16
Views
1K
garbo
G
J
Conduit fill (250kcmil)
2
Replies
20
Views
2K
Little Bill
Little Bill
A
Conduit In CMU Wall
Replies
3
Views
653
infinity
infinity
F
Sub-panel
Replies
7
Views
526
tjdilly
T
C
Cable Tray sizing
Replies
3
Views
1K
Julius Right
Julius Right
J
Generator sizing
Replies
5
Views
547
Birken Vogt
B
ptonsparky
Primary phase loss on delta Xfmr
Replies
11
Views
832
wwhitney
W
Sparky2791
15kVA Single Phase Secondary OCPD size
Replies
16
Views
1K
electrofelon
electrofelon
M
Is correct this math 3 ckts120V(6ccc)?
Replies
5
Views
464
winnie
W
A
Drawings
Replies
2
Views
342
dkidd
dkidd
R
Correcting V.D. with Buck Boost Transformers
2
Replies
21
Views
2K
zbang
Z
B
310.14(B) Engineering Supervision and total heat in conduit calculation
Replies
5
Views
911
WD40
W
S
Generator Size Vs. Service Amperage
2
Replies
31
Views
3K
garbo
G
Tainted
MC cable when there is voltage drop
2
Replies
24
Views
2K
letgomywago
L
F
Va. Updated codes
Replies
12
Views
1K
tjdilly
T
D
Motor Circuit Protection
Replies
6
Views
881
kwired
kwired
F
Point me to code ref for a 'safety interrupt' as opposed to a disconnect
Replies
2
Views
542
fastline
F
HarrySlother
Stand-Alone SS Circuit Sizing
Replies
4
Views
628
Jraef
Jraef
S
VFD on Line vs. Load Side of Transformer
Replies
6
Views
742
Jraef
Jraef
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