Electrical Calculations / Engineering

mshields
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Table 310.60(C)(77) and similar tables
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5
Views
4K
mshields
mshields
W
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horizontal clearance around privately owned 12kv power line
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8
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3K
wsbeih
W
T
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Existing Dwelling Load Calc - 220.83
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1
Views
863
Smart $
Smart $
11bgrunt
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120/240 backfeed to create 7200 causes 240 volt breaker to trip.
2
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20
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6K
gar
G
J
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Two Steamists on 100amp subpanel. One popping breaker.
2
Replies
21
Views
3K
iwire
iwire
Grouch1980
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what type of switchboard is this?
2
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22
Views
5K
Grouch1980
Grouch1980
J
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430.24 Question
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2
Views
1K
Smart $
Smart $
infinity
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3 Pole Vs. 4 Pole ATS
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10
Views
5K
kwired
kwired
L
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Conductor Ampacities
2 3 4
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68
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12K
Smart $
Smart $
E
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Small Transformer Protection Scheme
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19
Views
3K
Ingenieur
I
brantmacga
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Multiple breakers tripping and hot to the touch
2
Replies
38
Views
8K
brantmacga
brantmacga
mshields
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Primary feeders to transformers
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10
Views
2K
iwire
iwire
J
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Intrinsically safe
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2
Views
1K
rbalex
rbalex
gadfly56
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Expansion Joints
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1
Views
1K
chris kennedy
chris kennedy
Grouch1980
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voltage drop on multiple feeders
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4
Views
1K
Grouch1980
Grouch1980
D
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Back wired 3 phase transformer
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9
Views
2K
GoldDigger
G
T
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Reversing Motor Contactors
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14
Views
3K
gar
G
J
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Motor Issues?
2 3
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58
Views
7K
JFletcher
J
L
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gfci usb combo outlet
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12
Views
25K
JFletcher
J
D
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TRANSMISSION lines
2
Replies
27
Views
7K
Bugman1400
B
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