Commercial Electrical Advice

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Discussions on Three Phase Supplies, three phase machinery and motors, DOL starters, phase sequence, running steel conduit, trunking and other questions on industrial and commercial electrical installations and maintenance. Commercial Electrical Talk. Also notice our Electrical Advice Forum and our Industrial Electrical Forum
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DOL starter 7.5HP, 3 ph motor
2 3 4 5 6
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76
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10K
ruston
ruston
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Voltage optimisation technology? any experience? thoughts?
2
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20
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3K
Knobhead
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Smoke detectors in crawl spaces
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10
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2K
tazz
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Connecting an Electrolux air-o-stream - level B; Combi LW 10 GN 1/1
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2
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1K
oc1968jib
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A
50A SSR Problem
2
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21
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3K
plugsandsparks
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B
2P 63A mcb Rating help?
2
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24
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4K
Spoon
Spoon
E
high level 95mm2 SWA run
2 3
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35
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7K
johnboy6083
johnboy6083
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3-ph directional contactor
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7
Views
2K
Marvo
Marvo
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Main Supply Conductor question
2 3
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39
Views
6K
brookster
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B
contactor / overload
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12
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3K
big-steve
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P
Bs en 60079
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3
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4K
Brightspark2
Brightspark2
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be nice to have a hazardous area COMPEX related forum
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2
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1K
peterhardacher
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still need answer please
2 3
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43
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6K
cantabrian9
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meters not accurate below 0.01 ohms
2 3
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34
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4K
Knobhead
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max zs of large fuses
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9
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25K
Engineer54
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RCD protection on 3 Phase sockets
2
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16
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14K
Knobhead
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Generator supplying energised 3ph circuits
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10
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2K
Knobhead
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possible static detection/troubleshooting.
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4
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1K
Knobhead
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T
Circuit for 28KW four motor saw machine.
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5
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2K
Knobhead
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E
Please Help, Bloody Hydravane Compessor???
2 3
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30
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4K
snowhead
snowhead
A
football club floodlights
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9
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3K
AADES
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B
Live Working
2 3 4 5 6
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81
Views
12K
Engineer54
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leespeed
star delta motor .....extra stop/start....415v abb
2 3 4 5 6
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81
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11K
netblindpaul
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S
3 Phase converter.
2 3
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30
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9K
Outspoken
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20mm galv conduit. tips and tricks
2 3
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31
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16K
shanky887614
shanky887614
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3 Phase SCR (thyristor) for duct heater
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2
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2K
Gage
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M
west burton power station
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2
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2K
gaz dude
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D
female bushes on glands
2
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21
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3K
Engineer54
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C
Slip Ring Motor Soft Starters
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12
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3K
brucelee
brucelee
A
Help with ID of surface mount dome lights
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8
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1K
andy19422
A
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