Electrical Calculations / Engineering

O
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Please help new business owner with this calc
Replies
18
Views
2K
ramsy
R
M
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Transformer feeder controlled by contactor
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3
Views
2K
Jraef
Jraef
M
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Existing Dwelling Load Calculation
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9
Views
828
manpower
M
B
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Xformer Conductor length.
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2
Views
807
Bob49
B
B
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Calculating loads on 208Y120 panel with mixed 1ph & 3ph loads
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3
Views
8K
kayjay
K
PE (always learning)
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ROOF TOP UNIT SCCR
2 3
Replies
43
Views
9K
jim dungar
J
A
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IEEE 835 Cable Voltages
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12
Views
5K
Ahmed Abdelfattah
A
F
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Sizing wire to 400 amp service
2
Replies
28
Views
10K
frofro19
F
M
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Power factor for scoreboard required?
Replies
13
Views
1K
kwired
kwired
O
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Do I need an engineer for this calculation?
Replies
7
Views
1K
charlie b
charlie b
mshields
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3 Pole ATS's on 480V older 480V systems
Replies
4
Views
953
mshields
mshields
S
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Sizing and protecting taps with power distribution blocks
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12
Views
6K
Macbeth
M
A
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Receptacles
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6
Views
1K
Beaches EE
B
C
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Equipment Grounding Conductor for DC Circuits
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3
Views
4K
ron
ron
R
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Sizing wire and Transformer
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4
Views
1K
Julius Right
Julius Right
tortuga
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Does anyone have access to UL 875?
Replies
1
Views
9K
don_resqcapt19
don_resqcapt19
C
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Generator 240V3P Delta High leg system
Replies
5
Views
832
synchro
synchro
ctaylo360860
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non seperatly derived 312.5kva 3ph 277/480v vehicle mounted/portable genset system
Replies
9
Views
1K
synchro
synchro
H
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120 vs 240 when calculating 3% efficiency
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8
Views
2K
winnie
W
D
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conduit straps
2
Replies
22
Views
8K
roger
roger
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