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T
3ph 480v wrt htr
timmer
Thursday at 7:45 AM
Electrical Calculations / Engineering
Replies
9
Views
195
Thursday at 4:17 PM
retirede
R
S
100A Subpanel
Sandlamb
Thursday at 3:36 PM
NEC
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3
Views
130
Thursday at 4:04 PM
wwhitney
W
N
AFCI/GFCI Protection
nahum
Wednesday at 5:06 PM
General Electrical Forum
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6
Views
190
Thursday at 3:09 PM
marmathsen
M
S
Question regarding 620.62 selective coordination (for elevators)
shockking
Jun 10, 2024
Electrical Calculations / Engineering
Replies
5
Views
432
Thursday at 2:47 PM
TrainingInEngineering
T
I
How do I derive my Neutral when I use Step Up/ Step Down transformers?
Installer
Oct 13, 2024
General Electrical Forum
2
Replies
32
Views
653
Thursday at 2:13 PM
Installer
I
Internal Motor Fault ?
TwoBlocked
Wednesday at 1:56 PM
General Electrical Forum
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10
Views
191
Thursday at 2:01 PM
Jraef
100 amp fuse in 200 amp panel
JJWalecka
Thursday at 10:35 AM
General Electrical Forum
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4
Views
151
Thursday at 12:19 PM
d0nut
D
D
277/480 volts hybrid inverters and Battery storage options
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Tuesday at 7:57 PM
Photovoltaic Forum
Replies
4
Views
97
Thursday at 11:23 AM
pv_n00b
P
M
need to hook up SMA Tripower 3 phase inverter to a "corner grounded delta 480V"
Marcus Maedl
Wednesday at 1:26 AM
Photovoltaic Forum
Replies
2
Views
78
Thursday at 11:12 AM
pv_n00b
P
I
Sizing a dry type XFMR
Isaiah
Tuesday at 1:32 PM
Electrical Calculations / Engineering
Replies
9
Views
237
Thursday at 9:25 AM
Isaiah
I
Wiring 4-20mA splitter
Electromatic
Wednesday at 12:00 PM
Controls & Logic
Replies
8
Views
191
Thursday at 8:55 AM
Electromatic
ECM Motor
ptonsparky
Wednesday at 8:18 PM
Troubleshooting
Replies
3
Views
135
Thursday at 8:27 AM
garbo
G
J
60 to ground
jjwitty
Wednesday at 6:34 PM
Controls & Logic
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11
Views
190
Thursday at 7:43 AM
ptonsparky
B
No ufer, only ground rods
Brownetown
Oct 4, 2024
Bonding and Grounding
Replies
17
Views
471
Wednesday at 11:28 PM
electrofelon
K
Pull boxes and ground
Kevin.hndz
Wednesday at 11:03 AM
General Electrical Forum
Replies
18
Views
322
Wednesday at 7:24 PM
Knuckle Dragger
Just a few days left to comment on the 2026 NEC!
tortuga
Aug 22, 2024
Proposals/Comments for the next NEC cycle
2
3
Replies
49
Views
1K
Wednesday at 5:59 PM
don_resqcapt19
Z
Fire alarm communicator
zemingduan
Wednesday at 4:21 PM
Low Voltage and Limited Energy
Replies
1
Views
61
Wednesday at 5:02 PM
gadfly56
E
NEC Table 240.6 A. The adding of 10Amps
elmundogrande
Wednesday at 4:43 PM
NEC
Replies
3
Views
91
Wednesday at 4:55 PM
don_resqcapt19
A
Short circuit current calculation at MV bus (34.5kV), Tesla Megapack
adityalagudu3291
Tuesday at 11:04 AM
Electrical Calculations / Engineering
Replies
9
Views
202
Wednesday at 3:19 PM
kingpb
N
Utility voltage parameters.
nizak
Tuesday at 11:37 AM
General Electrical Forum
Replies
10
Views
246
Wednesday at 2:32 PM
ptonsparky
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