Electrical Calculations / Engineering

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Fire Rating between floors R2 Residential above Commercial
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1
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789
JoeStillman
JoeStillman
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Need opinion on pvc expansion fittings
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7
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1K
marmathsen
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Generator Sizing
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15
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2K
sajesak
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Armored Cable Installation in a Breaker Cubicle
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5
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912
synchro
synchro
A
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120% rule for busbar rating for a meter socket load center
2 3
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46
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7K
jim dungar
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Sparky2791
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Minimum Cover Table 300.5
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10
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2K
RustyShackleford
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Single Phase panel install on 480
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13
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1K
Fordean
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Current on a 34.5kv Concentric Neutral
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3
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2K
synchro
synchro
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200 amp service supplying 150 sub panel.
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7
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2K
LarryFine
LarryFine
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Wire size for 208V Primary to 480v sec y transformer 112.5kva
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4
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2K
augie47
augie47
E
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adding load
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4
Views
998
Tulsa Electrician
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Armored cable with ground conductors
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1
Views
574
charlie b
charlie b
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Grounding requirements for MV splice box
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5
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2K
JoeStillman
JoeStillman
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Parallel feeders split to two different power dist blocks within the enclosure
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17
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2K
augie47
augie47
junkhound
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check my math
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9
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1K
__dan
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R
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Need direction with calculation
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12
Views
994
Tulsa Electrician
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Panel busbar rating
2
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23
Views
7K
electrofelon
electrofelon
Jpflex
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Voltage drop
2
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24
Views
2K
Tulsa Electrician
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C
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Enter if you dare - Come and destroy my calculations
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7
Views
909
augie47
augie47
A
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Riser or One Line
Replies
3
Views
2K
Knightryder12
Knightryder12
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