Electrical Calculations / Engineering

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800 Amp Panel feed
Replies
16
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5K
infinity
infinity
P
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RF Interference between AC Power and Communications cables Question
2
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22
Views
3K
Open Neutral
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Y
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Series / parallel circuit rounding
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7
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2K
GeorgeB
GeorgeB
R
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Confused
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10
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991
JoeStillman
JoeStillman
R
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Drawn & Arc Stud welding
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14
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2K
hbiss
hbiss
C
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Question regarding 310.15 (B)(7)
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7
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845
don_resqcapt19
don_resqcapt19
A
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SCCR for existing installation
2 3
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46
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petersonra
petersonra
Grouch1980
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Slab openings
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5
Views
987
Grouch1980
Grouch1980
P
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Arc Resistant MV Switchgear
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16
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3K
Bwas
B
B
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Unbalanced line-to-line loads on 3-ph transformer
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3
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607
synchro
synchro
P
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Question regarding 220.87
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3
Views
766
drktmplr12
D
M
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reidentify white conductor for receptacle
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8
Views
906
James L
James L
HoosierSparky
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Load Calcs w/ EV Charger
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0
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459
HoosierSparky
HoosierSparky
P
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3-Phase utility tied inverter feeding single phase load
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1
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516
synchro
synchro
D
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Fire Alarm- Elevator Recall required for All Elevators?
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3
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4K
victor.cherkashi
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L
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UPS system MBB, RIB, IOB, coordination
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3
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2K
ron
ron
R
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Is 200 amps enough?
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1
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918
Little Bill
Little Bill
S
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UL891 question
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7
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3K
Jraef
Jraef
M
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Power Dist Panel Board Mounted inside of UL508A panel
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15
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3K
tommtgun1585
T
mshields
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Short Circuit, coordination and arc flash
Replies
1
Views
719
wbdvt
W
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