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Electrical Calculations / Engineering
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T
2023 EVSE Load Calculation
T. Michael Rearic
Apr 4, 2024
Replies
3
Views
140
Apr 4, 2024
wwhitney
W
Electrical calculation book seems off again
Jpflex
Apr 3, 2024
Replies
7
Views
229
Apr 4, 2024
ptonsparky
L
Industrial Setting 3PH 480 to 3PH 240/120 XFMR Sizing
lochreas
Apr 2, 2024
Replies
4
Views
166
Apr 3, 2024
Ziyad Alahrbi
Z
M
Is a 480 V 3-wire single mains transformerless UPS a separately derived source?
Matt_from_CA
Apr 3, 2024
Replies
4
Views
144
Apr 3, 2024
Matt_from_CA
M
A
Fused disconnect switch
anbm
Apr 2, 2024
Replies
4
Views
172
Apr 3, 2024
milmat1
Cold Sequence Meter Disconnects for Fire Pumps
JoeStillman
Mar 29, 2024
2
Replies
24
Views
703
Apr 3, 2024
JoeStillman
A
Diesel Generator Distance from Building
acraig
Mar 26, 2024
Replies
14
Views
437
Apr 2, 2024
Birken Vogt
B
Did I do this correctly?
Ponchik
Apr 2, 2024
Replies
4
Views
210
Apr 2, 2024
Ponchik
N
Manufacturers Specifications
nizak
Apr 2, 2024
Replies
2
Views
111
Apr 2, 2024
nizak
N
I
Cable shielding grounding
Isaiah
Apr 1, 2024
Replies
12
Views
363
Apr 2, 2024
Isaiah
I
H
DC distribution panelboard loading schedule and calculations
HtownEngr
Apr 2, 2024
Replies
2
Views
107
Apr 2, 2024
jaggedben
J
S
240V 150A to 480V ? A
sparkylife92
Mar 28, 2024
2
Replies
21
Views
502
Apr 1, 2024
Jraef
R
Is a voltage doubler economic?
ruxton.stanislaw
Mar 21, 2024
2
Replies
31
Views
1K
Apr 1, 2024
ggunn
G
Disconnect Switch Arc Flash label
Alley Cat Bad Dog
Mar 18, 2024
Replies
10
Views
466
Apr 1, 2024
Jpflex
T
Calculation
Therealcrt
Mar 26, 2024
Replies
10
Views
354
Apr 1, 2024
ggunn
G
Voltage drop two methods inconsistent
Jpflex
Mar 29, 2024
2
Replies
30
Views
623
Apr 1, 2024
tortuga
W
Transformer Secondary OCPD
wwatkin2
Mar 30, 2024
Replies
3
Views
175
Mar 31, 2024
augie47
B
Crane Disconnect Location
brennod10
Mar 29, 2024
Replies
1
Views
101
Mar 29, 2024
augie47
Mike Holt's Electrical Toolbox app doing dwelling load calcs wrong?
MNSparky
Mar 26, 2024
Replies
16
Views
450
Mar 29, 2024
retirede
R
D
Panelboard Main Breaker Rating < Bus Rating
dsr
Mar 28, 2024
Replies
8
Views
306
Mar 28, 2024
dsr
D
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