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Questions and electrical advice in the Commercial Electrical Advice - 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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M-B-Electrical-Services
UK Thermal Imaging Query
I use theses very regularly doing 12 monthly...
  • M-B-Electrical-Services
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2
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19
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782
MDJ
MDJ
D
Why use hellermann sleeves (automation)
Isn’t recycling threads good for the polar bears?
  • daveelectrician
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11
Views
7K
LeeH
LeeH
xedbot
SSE 3-Phase Upgrade Gone Wrong!
When I was on the electric board We had a pair...
  • xedbot
  • 28
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2
Replies
28
Views
2K
Teddy Lop
T
S
RCD omission risk assessment
Replace the 3 (or 5) core cable with 4 (or 6)...
  • SparkyAndGeorge
  • 63
  • 25K
2 3 4 5
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63
Views
25K
Simon47
S
P
Built in oven intermittent fault
how long have you had the oven? Could be that...
  • Paul Lathan
  • 1
  • 468
Replies
1
Views
468
Cbelectrics
C
M-B-Electrical-Services
RCD protection for a temporary 16A commando socket outlet
Stick the socket in a large plastic wall box...
  • M-B-Electrical-Services
  • 17
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2
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17
Views
2K
UKMeterman
UKMeterman
M
Large scale DMX controlled setup
Very useful info, thanks. Using DMX at a...
  • myosis
  • 12
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Replies
12
Views
2K
Arundel/Lx
Arundel/Lx
davesparks
PLC for a beginner
The golden rule is to stick with the current...
  • davesparks
  • 40
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2 3
Replies
40
Views
7K
koldwater
koldwater
F
Small caravan site: Walk in freezer converter to toilet/shower room
Yes, that was actually something making me...
  • Fuzebox
  • 2
  • 711
Replies
2
Views
711
Fuzebox
F
T
WT Henley Series 8 house service cutout
Your electrician shouldn't be doing anything...
  • tomsam
  • 3
  • 707
Replies
3
Views
707
davesparks
davesparks
P
Schnider power tag metering
Has anyone used the Schnider power tags? i...
  • paul-bristol
  • 0
  • 513
Replies
0
Views
513
paul-bristol
P
A
Bus bar chamber with no main isolator
Busbar chambers are often considered what's...
  • AH86Spark
  • 2
  • 831
Replies
2
Views
831
Marvo
Marvo
G
Surge on community center with flat
usually a surge device is best fitted next to...
  • grandfortune
  • 1
  • 731
Replies
1
Views
731
MDJ
MDJ
G
single phase compressor motor
Hi, Thanks for that, you learn something new...
    • Like
  • Griffey
  • 5
  • 1K
Replies
5
Views
1K
Griffey
G
L
Wiring for single phase supply
This is the same format nameplate, but...
  • Logie
  • 2
  • 953
Replies
2
Views
953
snowhead
snowhead
dlt27
Motor starter help.
Do you still want help with this or have you...
  • dlt27
  • 56
  • 10K
2 3 4
Replies
56
Views
10K
marconi
marconi
Clive P
3 Phase Bandsaw.
So, let's say I buy a 5HP 3PH 10 inch Table...
  • Clive P
  • 7
  • 6K
Replies
7
Views
6K
RichInTN
R
S
3 Phase Distribution Board Dilema
Sooo the client has accepted that we don't...
  • SparkingMad1997
  • 32
  • 4K
2 3
Replies
32
Views
4K
SparkingMad1997
S
3
Contactor. Proving dead . 3 phase .
Thanks pc1966, never heard it called that before.
  • 3phase
  • 16
  • 1K
2
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16
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1K
R-fur
R
X
UK 3 Phase Motor Star/ Delta phase conversion
I got this all wired in and working thanks to...
  • xpistos
  • 10
  • 2K
Replies
10
Views
2K
xpistos
X
Furamuki
How can i start a different pump at each start ?
Now that's a useful bit of kit. I was trying...
  • Furamuki
  • 6
  • 918
Replies
6
Views
918
ElectroChem
ElectroChem
X
3 Phase Vacuum On Single Phase Supply
I have sent you my contact details where in...
  • xpistos
  • 3
  • 886
Replies
3
Views
886
James
James
davesparks
Cable for fire door magnets
red is the preferred colour. however white is...
  • davesparks
  • 1
  • 806
Replies
1
Views
806
James
James
BodgeJob
Does a main protective bonding conductor require UV protection when run outside?
A lot of external bonding or earth conductors...
  • BodgeJob
  • 3
  • 868
Replies
3
Views
868
littlespark
littlespark
B
single phase to 3 phase
He will need to rub harder for a puffs to to...
  • bernieseibert
  • 5
  • 2K
Replies
5
Views
2K
buzzlightyear
buzzlightyear
newfutile
Strange Residual Current Device tripping on lamp post
Fairly common with cheap LED lamp drivers, to...
  • newfutile
  • 5
  • 1K
Replies
5
Views
1K
Biff61
B
I
3ph help and then some!
That won't solve the problem, you have a TNCS...
  • Initforthemoney
  • 24
  • 3K
2
Replies
24
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3K
davesparks
davesparks
GeeWizz12
When to isolate incoming supply to DB
The company are going to have give in on this...
  • GeeWizz12
  • 8
  • 1K
Replies
8
Views
1K
snowhead
snowhead
A
Can anyone supply an abb
A quick Google search turned up two suppliers...
  • Andyipswich
  • 1
  • 788
Replies
1
Views
788
nicebutdim
nicebutdim
F
Zs values recorded results.
The reason is that ADS is all designed around...
  • fatboyslim
  • 11
  • 2K
Replies
11
Views
2K
Julie.
J
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