Electrical Calculations / Engineering

A
  • Locked
1500' 200amp single phase service.
Replies
2
Views
1K
electrofelon
electrofelon
B
  • Locked
Motor Differential Protection w/ Fused Contactor
Replies
4
Views
1K
bdm5066
B
S
  • Locked
School lights, engineering Q
Replies
4
Views
1K
Little Bill
Little Bill
R
  • Locked
UL508A FLA for Lighting Control
Replies
5
Views
1K
petersonra
petersonra
L
  • Locked
Unit feeder in multifamily dwelling
Replies
3
Views
561
electrofelon
electrofelon
mbrooke
  • Locked
Phase and Ground Wire Impedance
Replies
17
Views
3K
mbrooke
mbrooke
powerpete69
  • Locked
3000 amp ground fault question
2
Replies
36
Views
4K
jim dungar
J
B
  • Locked
200 Amp service 170’ away from the meter/disconnect.
Replies
11
Views
1K
Jerramundi
Jerramundi
R
  • Locked
Tandem Breakers / Box Fill
2
Replies
22
Views
3K
Rock86
R
Grouch1980
  • Locked
Disconnect switch short circuit rating
2
Replies
25
Views
11K
Grouch1980
Grouch1980
Grouch1980
  • Locked
3-tier series rating
Replies
11
Views
2K
Grouch1980
Grouch1980
mbrooke
  • Locked
Max Circuit Length
Replies
0
Views
464
mbrooke
mbrooke
M
  • Locked
480V Fire Pump Fed From 208V Service
Replies
2
Views
1K
topgone
T
ptonsparky
  • Locked
Two vacuums
Replies
13
Views
2K
LarryFine
LarryFine
mbrooke
  • Locked
Transformer Z value
Replies
13
Views
2K
mbrooke
mbrooke
J
  • Locked
Circuit breaker usage
Replies
10
Views
1K
Jraef
Jraef
B
  • Locked
I'm trying to understand an old engineers report for our apt building's electrical system.
Replies
15
Views
1K
jusme123
J
G
  • Locked
422.11 E 3
Replies
6
Views
1K
Greg1707
G
T
  • Locked
Disconnector/Breaker for Auto Transfer Switch
Replies
12
Views
1K
Jraef
Jraef
E
  • Locked
Generac transfer switch
Replies
1
Views
699
LarryFine
LarryFine
You must log in or register to post here.
Top