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Electrical Calculations / Engineering
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Understanding Medium Voltage Equipment short circuit ratings
philly
Oct 31, 2011
Replies
5
Views
15K
Nov 2, 2011
zog
P
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motor short circuit /grd fault
papa
Nov 1, 2011
Replies
5
Views
2K
Nov 2, 2011
mull982
M
H
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hallmark
hallmark
Nov 1, 2011
Replies
1
Views
1K
Nov 1, 2011
Dennis Alwon
Locked
Emergency circuits run outside
mshields
Nov 1, 2011
Replies
0
Views
1K
Nov 1, 2011
mshields
M
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60 to 50 Hz
Marky Spike
Oct 21, 2011
Replies
13
Views
6K
Nov 1, 2011
jjkind
J
B
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overload protection for locally switched motors
BrianMuir
Oct 31, 2011
Replies
3
Views
2K
Oct 31, 2011
kwired
J
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Disconnect Voltage Rating??
jahilliard
Oct 31, 2011
Replies
4
Views
14K
Oct 31, 2011
kwired
Locked
2 hour rated Emergency Feeders
mshields
Oct 28, 2011
Replies
7
Views
13K
Oct 31, 2011
mshields
B
Locked
mechanical equipment consumption for sake of panelboard feeder sizing
BrianMuir
Oct 30, 2011
Replies
4
Views
2K
Oct 31, 2011
BrianMuir
B
J
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Objectionable Current Tripping Residual-Current Device (i.e. whole-house GFCI)
jjkind
Oct 25, 2011
Replies
4
Views
7K
Oct 30, 2011
jjkind
J
G
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3 Single Phase motors on one three pole MCB
greggs007
Oct 28, 2011
Replies
8
Views
10K
Oct 30, 2011
greggs007
G
W
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Standard Load Calculation Ungounded vs. Grounded Conductor Sizing
wireguy8169
Oct 30, 2011
Replies
1
Views
1K
Oct 30, 2011
Hv&Lv
H
P
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TRANSFER SWITCH SETTING
puckman
Oct 25, 2011
Replies
15
Views
6K
Oct 30, 2011
ATSman
N
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NFPA Surivability Level
Npstewart
Oct 25, 2011
Replies
6
Views
4K
Oct 28, 2011
bwyllie
B
M
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Amp draw on 50hp VFD
M_A_A
Oct 17, 2011
2
Replies
21
Views
15K
Oct 28, 2011
Besoeker
Locked
Triplex (xlpe covered conductor) Ampacity #6 on a 90A?
tortuga
Oct 20, 2011
2
Replies
29
Views
20K
Oct 28, 2011
kwired
M
Locked
demand factor for receptacles
malachi constant
Oct 25, 2011
Replies
12
Views
13K
Oct 28, 2011
dana1028
D
K
Locked
Main Bonding Jumper
KLM
Oct 27, 2011
Replies
3
Views
4K
Oct 27, 2011
copper chopper
C
S
Locked
Fireproofing& Conductor Derating
snace
Oct 26, 2011
Replies
5
Views
3K
Oct 27, 2011
snace
S
D
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Can HV/EHV voltage drop be calculated for percent-per-mile for transmission lines
dubk
Oct 26, 2011
Replies
1
Views
1K
Oct 26, 2011
jjkind
J
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