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Electrical Calculations / Engineering
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VFD; is power still power
Shaneyj
Nov 17, 2021
2
Replies
24
Views
2K
Nov 23, 2021
winnie
W
G
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430.52 Motor overcurrent protection
Greg1707
Nov 22, 2021
Replies
12
Views
1K
Nov 22, 2021
tom baker
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Transformer Protection
Samardas
Nov 21, 2021
Replies
2
Views
374
Nov 22, 2021
Samardas
S
Locked
220.87 Peak Demand - hourly vs 15 minutes
Ricko1980
Oct 11, 2021
2
3
Replies
43
Views
4K
Nov 22, 2021
NewtonLaw
N
H
Locked
Fire pump and jockey pump OCPD sizing when fed from POCO and only controllers are provided
hhsting
Nov 20, 2021
Replies
2
Views
932
Nov 21, 2021
gadfly56
Locked
Zigzag Transformer
mshields
Nov 19, 2021
Replies
7
Views
758
Nov 21, 2021
synchro
F
Locked
On-demand water heater
frofro19
Nov 19, 2021
Replies
12
Views
1K
Nov 20, 2021
GoldDigger
G
I
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3- phase to 1-phase system.
inforaj
Nov 11, 2021
Replies
13
Views
894
Nov 19, 2021
hillbilly1
H
J
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Cultivation Facility Amperage Requirements
jms-lbh
Oct 29, 2021
Replies
5
Views
694
Nov 19, 2021
jms-lbh
J
J
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Wire size for 200amp service / 135 feet
jomifo
Nov 19, 2021
Replies
1
Views
474
Nov 19, 2021
tom baker
T
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Tankless Water Heaters
Tom Drake
Nov 18, 2021
Replies
10
Views
1K
Nov 18, 2021
tortuga
Locked
3 motors, 1 branch circuit.
Dsg319
Nov 17, 2021
Replies
14
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743
Nov 18, 2021
david luchini
T
Locked
Non-Fused Disconnect Switch Inrush Rating
tamiya0603
Nov 12, 2021
Replies
7
Views
1K
Nov 18, 2021
tamiya0603
T
Locked
Elevator machine room feeders
mshields
Nov 12, 2021
Replies
2
Views
906
Nov 17, 2021
JoeStillman
B
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Isolated Ground Help
BatmanisWatching1987
Nov 16, 2021
Replies
3
Views
558
Nov 17, 2021
JoeStillman
T
Locked
Coordination of Motor Overload
timm333
Nov 14, 2021
Replies
8
Views
831
Nov 15, 2021
topgone
T
A
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VD & Distance
Alwayslearningelec
Nov 12, 2021
Replies
14
Views
891
Nov 15, 2021
oldsparky52
O
S
Locked
Sizing Disconnect Switch
Sarah78
Nov 11, 2021
Replies
5
Views
1K
Nov 15, 2021
Jraef
R
Locked
How to calculate the DC Bus voltage of the UPS in Datacenter application?
ramyadevi89
Nov 12, 2021
Replies
9
Views
1K
Nov 14, 2021
topgone
T
A
Locked
Conduit spacing in ductbank
anbm
Nov 11, 2021
Replies
8
Views
6K
Nov 14, 2021
Julius Right
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