Electrical Calculations / Engineering

mshields
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PA system in conference room - interface to fire alarm
Replies
2
Views
1K
hbiss
hbiss
B
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Crydom solid state relays
2
Replies
31
Views
5K
newtonwb
N
I
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How do I mount Burndy blocks in a Nema 4 J Box ?
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7
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1K
Installer
I
B
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Multiple Seperately Derived Systems
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3
Views
917
pv_n00b
P
F
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Coils in contactors
2
Replies
29
Views
10K
StarCat
StarCat
B
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Disconnect Over Floor Mounted Transformer
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14
Views
5K
kwired
kwired
P
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calculation for freezer
Replies
1
Views
711
kwired
kwired
G
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480 VFD feeding a 480\4160 stepup transformer
2
Replies
37
Views
4K
Besoeker
Besoeker
M
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Standard Cable to install Underground Mining Operation 600V
Replies
4
Views
1K
Julius Right
Julius Right
mshields
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audible FA appliance in conference rooms
Replies
3
Views
2K
mshields
mshields
M
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Current Limiting Fuses to address SCCR Underrated Panels
Replies
6
Views
5K
iceworm
iceworm
S
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VFD Cable and Disconnect
Replies
5
Views
3K
don_resqcapt19
don_resqcapt19
M
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HP For Boiler
Replies
8
Views
1K
mstrlucky74
M
D
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Need UPS for Emerg. Branch
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4
Views
1K
RumRunner
R
P
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contactless temperature measurement of MV (<40kV) bus-bar
Replies
2
Views
839
Jraef
Jraef
mbrooke
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Transformer taps help
Replies
0
Views
978
mbrooke
mbrooke
ezdrocks
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12,470/480 Transformer Primary conductor size help
Replies
1
Views
1K
charlie b
charlie b
ezdrocks
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Oil Pan requirements for Transformer
Replies
6
Views
3K
ezdrocks
ezdrocks
al hildenbrand
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1000W Motion Sensor Can't Switch LEDs??
Replies
10
Views
2K
gar
G
Besoeker
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Units of measurement
6 7 8
Replies
143
Views
15K
zbang
Z
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