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Electrical Calculations / Engineering
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Low voltage communication wire
frofro19
Feb 9, 2022
Replies
13
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576
Feb 9, 2022
don_resqcapt19
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Temporary Power
lookingforhelp
Feb 9, 2022
Replies
5
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722
Feb 9, 2022
zbang
Z
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2017 NEC Example D3(a)
johnson151
Feb 9, 2022
Replies
3
Views
385
Feb 9, 2022
infinity
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Over current of Fire pump three phase 50 hp, 480v with locked rotor current of 6kw per hp. Control located outside. Question on master electrician xam
sparky915
Feb 4, 2022
Replies
1
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324
Feb 7, 2022
Jraef
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Transformer sizing 3phase 120/208wye - 480 delta
Fordean
Feb 5, 2022
Replies
12
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577
Feb 7, 2022
zbang
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50 or 17 MS transfer switch WCR
electrofelon
Feb 4, 2022
Replies
15
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1K
Feb 7, 2022
jim dungar
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480 volt 3 phase 60HP @48amps Portable power washer
Fordean
Feb 4, 2022
Replies
9
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873
Feb 6, 2022
Fordean
F
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Help Understanding Ampacities and Parallels, table 310.15(B)(16)
Koplinsky
Feb 2, 2022
2
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30
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2K
Feb 5, 2022
wwhitney
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When should you ask utility if there is enough power available?
Tainted
Feb 3, 2022
2
3
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59
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4K
Feb 5, 2022
kwired
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Floor mounted cabinet for electrical relay panel
anbm
Feb 4, 2022
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8
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489
Feb 4, 2022
brantmacga
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1200 amp 208 volt main breaker tripped
Fordean
Jan 31, 2022
2
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26
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2K
Feb 4, 2022
tortuga
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Laser equipment installation.
AJones
Feb 1, 2022
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12
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696
Feb 4, 2022
ggunn
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240 to 208
dvcraven0522
Feb 1, 2022
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16
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1K
Feb 3, 2022
kwired
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Load calculations in regards to existing commercial buildings and EV chargers
Justin Hatchett
Feb 3, 2022
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1
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407
Feb 3, 2022
gene6
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BESS Lightning Protection
an_kore
Feb 1, 2022
Replies
7
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788
Feb 3, 2022
petersonra
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AWG conductor sizes
JEFF MILLAR
Jan 31, 2022
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5
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1K
Feb 2, 2022
JEFF MILLAR
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What size protection for an Electric Hot Water Heater at 45kW
BatmanisWatching1987
Feb 1, 2022
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11
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678
Feb 2, 2022
david luchini
K
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Another fun practice Load Calc
Konen
Jan 10, 2022
2
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22
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2K
Feb 1, 2022
WA_Sparky
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Height of main disconnect in switchboard
pisani168
Jan 26, 2022
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10
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1K
Feb 1, 2022
jim dungar
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Fire Pump Large Box store Disconnecting
Fordean
Jan 6, 2022
Replies
7
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554
Feb 1, 2022
JoeStillman
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