Electrical Calculations / Engineering

J
Tolerance for rated short time withstand current in MV switchgears
Replies
0
Views
491
Joao
J
2
Maximize 40A Subpanel
2
Replies
36
Views
4K
ramsy
R
Tainted
NEC 2020 article 230.71(B)(3) and Switchboards
2
Replies
29
Views
3K
jaggedben
J
E
Correct temperature rating for sizing motor conductors
Replies
4
Views
897
don_resqcapt19
don_resqcapt19
L
Coordinating 4000A with 4000A
Replies
5
Views
738
lielec11
L
B
The use of residential optional load calculations
Replies
18
Views
4K
jaggedben
J
A
MTM sequence of operation
Replies
5
Views
822
zbang
Z
S
Non-Fused Disconnect Switches
Replies
2
Views
981
Scherer
S
Y
Question Regarding AHJ Authority in NFPA 72 and ADA Compliance for Pull Station Covers
Replies
2
Views
749
ron
ron
T
Bonding of Metallic Cable Armor
Replies
5
Views
1K
hbiss
hbiss
A
VA's
Replies
7
Views
959
Jraef
Jraef
P
Temporary Connect: Generators
Replies
4
Views
1K
Strathead
S
E
Emergency Lighting on Generator vs Inverter
Replies
4
Views
1K
ron
ron
C
38kV MV Breaker Size Limitations and Power Transformer Secondary Breaker Configuration
Replies
4
Views
1K
jim dungar
J
P
Transformer and CB sizing
Replies
10
Views
1K
Pflat
P
S
Sizing conductors and breakers.
Replies
4
Views
928
augie47
augie47
Grouch
Network Compartment Ventilation Fan
Replies
16
Views
1K
Grouch
Grouch
N
The infamous and elusive UFER
5 6 7
Replies
128
Views
15K
hillbilly1
H
R
Electrical bus ducts connection
Replies
1
Views
474
ron
ron
R
Confusion in calculating neutral amperage.
Replies
2
Views
555
ptonsparky
ptonsparky
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