NEC

mayanees
NEC 495.70 and 495.71 Clarification as to why a 3-phase solidly grounded wye source is required.
Replies
13
Views
1K
joymon
J
G
2023 NFPA 70, 356 Liquidtight Flexible Nonmetallic Conduit (LFNC)
Replies
2
Views
1K
ramsy
R
Shockedby277v
NEC app
Replies
7
Views
612
texie
T
M
Wiring methods in hospitals and AHCA regulations in FL
Replies
3
Views
547
marcosgue
M
E
Sizing of Feeder Protection UL508A vs NEC
Replies
3
Views
531
Edonlon
E
G
2023 NEC Island Receptacles
Replies
1
Views
567
Buck Parrish
Buck Parrish
A
100 Amp main on 200 amp panel-Homeline and SQD
Replies
10
Views
2K
kwired
kwired
J
310.15(B)(1), When to apply adjustment factors for SCIFs with ECUs?
Replies
6
Views
576
suemarkp
S
S
Phase Converter Circuit OCPD, Disconnect, Wire Sizing
Replies
19
Views
772
solace396
S
T
Selector Switch to avoid service upgrade
Replies
11
Views
1K
ptonsparky
ptonsparky
R
AC unit feeder and branch circuits NEC 430
2
Replies
35
Views
2K
infinity
infinity
S
3500 KVA Mineral Oil Transformer installed indoors temporarily
Replies
3
Views
343
scrub12
S
A
Feeder??
Replies
7
Views
407
Alwayslearningelec
A
T
Question on EMT support
Replies
7
Views
537
don_resqcapt19
don_resqcapt19
Johnhall30
Medium Voltage feeder protection
Replies
5
Views
605
petersonra
petersonra
P
Grounding Is Everywhere (almost)
Replies
5
Views
487
paullmullen
P
B
How they come up with the max of 150% on appliances OCPD?
Replies
0
Views
244
brother
B
ctaylo360860
Trying to understand multiwire branch circuits
2
Replies
35
Views
3K
mtnelect
mtnelect
E
NM-B termination temperature limitations
Replies
4
Views
407
augie47
augie47
H
Next Size Up Rule?
2
Replies
23
Views
2K
jaggedben
J
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