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Electrical Calculations / Engineering
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Why wire is sized to MCA and not OCP?
CelectricB
Nov 3, 2021
Replies
13
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2K
Nov 4, 2021
Tulsa Electrician
T
A
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480/3-240/3 xfmr
anbm
Nov 2, 2021
2
Replies
20
Views
1K
Nov 4, 2021
petersonra
P
L
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Generator sizing per NEC 702.4.B
liverpool
Nov 4, 2021
Replies
1
Views
831
Nov 4, 2021
JoeStillman
G
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EL01 Admin Major Load Calculations
Grant Tyler
Nov 3, 2021
Replies
2
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1K
Nov 3, 2021
electrofelon
C
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Determining approximate THD
ChargedUp
Oct 26, 2021
Replies
12
Views
1K
Nov 3, 2021
NewtonLaw
N
A
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Single Phase Voltage Drop Calculation
Alaktrical_Gingineer
Nov 3, 2021
Replies
3
Views
628
Nov 3, 2021
NewtonLaw
N
T
Locked
Voltage Drop Calcs for Panel's with possible future load.
theophilus88
Oct 26, 2021
Replies
5
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645
Nov 3, 2021
electrofelon
F
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Smart Module for Heat Pump
frofro19
Oct 29, 2021
Replies
5
Views
902
Nov 2, 2021
LarryFine
C
Locked
Sizing buck boost transformer
Crossboss
Oct 19, 2021
2
3
Replies
50
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7K
Nov 1, 2021
Tulsa Electrician
T
D
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125% ocpd calculation
Djelite
Nov 1, 2021
Replies
9
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1K
Nov 1, 2021
petersonra
P
A
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Feeder Calc
Alwayslearningelec
Oct 29, 2021
Replies
18
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950
Oct 31, 2021
Julius Right
A
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Ltg. Calc
Alwayslearningelec
Oct 29, 2021
Replies
4
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587
Oct 29, 2021
Alwayslearningelec
A
A
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Old switchboard nametag interpretation
anbm
Oct 28, 2021
Replies
5
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623
Oct 29, 2021
jim dungar
J
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Elevator Controls and Signals on Emergency for High Rise
mshields
Jul 5, 2021
Replies
6
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1K
Oct 29, 2021
steve66
Locked
Grain Drag
ptonsparky
Oct 28, 2021
Replies
9
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834
Oct 28, 2021
ptonsparky
A
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310.15C1
Alwayslearningelec
Oct 28, 2021
Replies
5
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704
Oct 28, 2021
Carultch
C
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Maximum unfused conductor distance between service end box and switchboard
Tainted
Oct 28, 2021
Replies
0
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348
Oct 28, 2021
Tainted
R
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Voltage drop
RemerElectricllc
Oct 20, 2021
Replies
8
Views
789
Oct 28, 2021
mayanees
H
Locked
Transformer primary voltage drop cause increase in secondary current?
housemoney
Oct 27, 2021
Replies
8
Views
828
Oct 28, 2021
housemoney
H
S
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Elevator Machine Room Disconnects
Schroeder
Oct 26, 2021
Replies
7
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2K
Oct 27, 2021
mshields
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