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S
Reading 310 volts on a 120 240 volt residential system
2 3 4
Replies
69
Views
1K
winnie
W
I
Table 310.15(B)(16)
Replies
4
Views
144
Carultch
C
E
80% rated CB at reduced current instead of 100% rated CB
Replies
9
Views
263
jim dungar
J
T
Stumped by HVAC
Replies
9
Views
255
TealHeals
T
L
Grounding motor (PE) and connection inside control panel
Replies
1
Views
139
don_resqcapt19
don_resqcapt19
TwoBlocked
Non-Incendive Inputs ?
Replies
0
Views
150
TwoBlocked
TwoBlocked
H
Lightning Protection and Building Ground
Replies
5
Views
164
don_resqcapt19
don_resqcapt19
D
SERVICE DISCONNECT CODE COMPLIANCE?
Replies
4
Views
213
dkidd
dkidd
D
Isolated Ground Receptacles
Replies
19
Views
375
Speedskater
Speedskater
A
240.4g
Replies
9
Views
191
AC\DC
A
A
Panel Feeder
Replies
6
Views
179
don_resqcapt19
don_resqcapt19
Z
12,470/7,200 3ph 4wire Service Switch gear Working space
Replies
8
Views
216
zemingduan
Z
W
100% Rated Service Disconnecting Means NEC article?
Replies
1
Views
129
wwhitney
W
I
Does metallic light pole require a grounding electrode such as a ground rod next to it ?
Replies
3
Views
182
erwin71
E
FionaZuppa
Motor Vendors
Replies
0
Views
108
FionaZuppa
FionaZuppa
N
Grounding for outbuildings fed without EGC
Replies
18
Views
828
Joethemechanic
Joethemechanic
jbellino
Negligent Landlord Situation (Commercial Lease)
2
Replies
24
Views
730
ModbusMan
M
TwoBlocked
Recommendation for HART Application.
Replies
3
Views
302
4-20mA
4-20mA
W
Heat Pump Disconnect with Aluminum Wire and Surge Protection
Replies
1
Views
139
SceneryDriver
S
A
Common-mode choke including ground wire?
Replies
0
Views
101
AnyNameYouWish
A
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