Electrical Calculations / Engineering

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Anyone know the voltage on a 120v battery backup smoke or carbon signal wire?
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drcampbell
drcampbell
L
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Noark molded case circuit breakers
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12
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MechEdetour
MechEdetour
N
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EGC Size Question
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10
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Smart $
Smart $
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Service Entrance Arc Flash Hazard
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1
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wbdvt
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ptonsparky
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Failed, now what?
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13
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Cow
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K
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ELECTRICAL FEEDER TAP
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1
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mbrooke
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Placement of VTs/PTs
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8
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mbrooke
mbrooke
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30 HP Pump Motor Feed
2
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24
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david luchini
david luchini
B
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AIC ratings
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3
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mgookin
mgookin
ohmhead
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Ground conductor sizing
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9
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charlie b
charlie b
P
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High Voltage Shrink Tube
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3
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Bugman1400
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chris kennedy
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Motor contribution
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12
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cpinetree
cpinetree
dec
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430.24
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3
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dec
dec
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Fluorescent calculated amp
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14
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GoldDigger
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cell tower on building concerns
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11
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ActionDave
ActionDave
J
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Voltage Drop equation?
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24
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12K
Smart $
Smart $
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Optional service calculation
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9
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Toppcatt22
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fan speed
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6
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kwired
kwired
F
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transformer conductor sizing in pdf or excel
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2
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2K
fandi
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G
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ROOF TOP COMPRESSOR UNITS
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6
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Fitzdrew516
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