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Electrical Calculations / Engineering
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Disconnect Switch Arc Flash label
Alley Cat Bad Dog
Mar 18, 2024
Replies
10
Views
443
Apr 1, 2024
Jpflex
T
Calculation
Therealcrt
Mar 26, 2024
Replies
10
Views
341
Apr 1, 2024
ggunn
G
Voltage drop two methods inconsistent
Jpflex
Mar 29, 2024
2
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30
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584
Apr 1, 2024
tortuga
W
Transformer Secondary OCPD
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Mar 30, 2024
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164
Mar 31, 2024
augie47
B
Crane Disconnect Location
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Mar 29, 2024
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Views
95
Mar 29, 2024
augie47
Mike Holt's Electrical Toolbox app doing dwelling load calcs wrong?
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Mar 26, 2024
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16
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434
Mar 29, 2024
retirede
R
D
Panelboard Main Breaker Rating < Bus Rating
dsr
Mar 28, 2024
Replies
8
Views
286
Mar 28, 2024
dsr
D
S
Dedicated Electrical "Building" Fire Rating
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Mar 28, 2024
Replies
1
Views
95
Mar 28, 2024
JoeStillman
F
How to comply with 220.87 when replacing existing loads?
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Mar 26, 2024
Replies
9
Views
283
Mar 28, 2024
Knightryder12
S
Amperage calculation using 3 phase power
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Mar 26, 2024
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9
Views
257
Mar 28, 2024
Julius Right
SERVICE GROUNDING ON A MAIN TIE MAIN BOARD UTILIZING SERVICE ENTRANCE TRANSFER SWITCHES ON BOTH SIDES.
PE (always learning)
Mar 12, 2024
Replies
7
Views
351
Mar 27, 2024
PD1972
P
D
Basketball Winch
dvcraven0522!
Mar 26, 2024
Replies
5
Views
193
Mar 27, 2024
ptonsparky
J
Understanding three-phase EVSE Power Management
JMFSE
Mar 24, 2024
Replies
4
Views
180
Mar 26, 2024
brycenesbitt
B
N
Meter Multiplier
Nmaac1
Dec 1, 2023
Replies
6
Views
455
Mar 26, 2024
Nmaac1
N
A
Multi family dwelling Service
AspenElectric
Mar 26, 2024
Replies
2
Views
144
Mar 26, 2024
AspenElectric
A
R
Mechanical EER to Wattage
Revous
Mar 22, 2024
Replies
3
Views
185
Mar 26, 2024
JoeStillman
I
Shielded 15kV cable fault current capacity
Isaiah
Mar 21, 2024
Replies
18
Views
464
Mar 26, 2024
JoeStillman
R
Power Calcs on RPP with single phase 120V and 208V loads
Randall-EE98
Mar 25, 2024
Replies
1
Views
121
Mar 25, 2024
wwhitney
W
D
Transformer Efficiency and Impedance
dnobs
Mar 25, 2024
Replies
3
Views
158
Mar 25, 2024
junkhound
T
12, 16 OR 29KVA?
Tim Butler
Mar 25, 2024
Replies
3
Views
209
Mar 25, 2024
ruxton.stanislaw
R
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