Electrical Wiring, Theories and Regulations

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Questions and electrical advice in the Electrical Wiring, Theories and Regulations - Discussions on all electrical regulations in the UK. Including Part P, BS 7671, DPC BS7671:2008, BS 7671:2001 & 2004 Amendment No.2, IEE wiring regulations, 16th Edition and 17th Edition and 18th Edition.

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R
Multi-sockets
Hello, my first post. Older houses seem to suffer from a lack of sockets when modern life demands more and more, usually for low power items. Is...
Replies
10
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2K
overskilled
O
D
Incorrect Polarity
Can anyone give us some regs on the following. We recently re-wired a supply to an existing DB. The DB was supplying some 3 Phase condensor...
2
Replies
24
Views
5K
shanky887614
S
P
Repair to Ceiling pull cord fitting and replacement switch cable
Got called to do a job today for a Landlord friend of mine to replace a Light pull cord fitting in "a room containing a bath or shower" Look like...
Replies
5
Views
3K
Risteard
Risteard
the pict
Ramp motor
For an commercial vehicle lift /ramp would a motor rated MCB be required, as it is not a continuous load although quite a high torgue but low...
Replies
4
Views
1K
Darkwood
Darkwood
M
Observations From France
Guys, I will again point out that I am not an electrician but an electronics engineer, so please be patient with me. I recently chatted to a...
2
Replies
36
Views
4K
Knobhead
K
C
3 phase Distribution boards - small
I need to connect a 3 phase inverter for a 10kW PV system through its own 3 phase breaker to the incoming supply. There are no spare fuseways in...
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0
Views
1K
Chris Hicks
C
K
DNO specifies fire-rated enclosure
The DNO (UK Power Networks) has specified that the duct that will carry the DNO supply to a new SFH has to terminate into a 1-hour fire-rated...
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12
Views
4K
knxhome
K
M
Warning labels for electrical earth connections
Guys just been doing some reading and have raised a question that I am not sure about. I guess you all put your Bs951 clams on the water, oil and...
Replies
6
Views
4K
Lucien Nunes
Lucien Nunes
A
Wiring lights in flat with concrete ceilings
Started A job today, concrete ceilings, and was thinking of ways to get the cables from switch to pendant, and thought of chasing the plaster and...
2
Replies
28
Views
10K
Engineer54
E
M
Max Ze for TT system
Hi Gents and ladies, I have been asked to quote on installing a couple of extra socket on a TT system. When checking the existing installation...
2 3 4 5 6 7
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137
Views
52K
Guest 004
G
newby10
Brushing up on my Electrical Theory
Hi! all. I'm not sure if this is the correct place to ask, but I'm sure that some nice person will direct me to the right place if it's not. I'm...
Replies
5
Views
1K
Silly Sausage
S
H
attaching a socket to cooker outlet
Are there any regs preventing the connection of a single socket to power a gas hob ignition circuit with a 3 amp fused plug to a cooker outlet...
Replies
12
Views
2K
Darkwood
Darkwood
C
Is RCD needed at both ends of armour feed to outbuilding
Hi - first post. I am going to carry out a sub main installation from a main CU in the house, to a garage, (15m from main CU to garage sub...
2 3 4
Replies
70
Views
15K
wersolaruk
W
K
Ohms Law & Cable length
Hi guys,, Brand new here so easy going ok! Something is baffling me and i cannot for the light of me figure it out even after study of GN3...
Replies
14
Views
2K
ackbarthestar
ackbarthestar
M
DIY Forum
Just read a thread on the DIY section Re Range cooker wiring. Because he got the answers he wanted he said he would possible do the work himself...
2 3
Replies
50
Views
5K
Knobhead
K
D
BS7671 getting my mits on it?
Hello All, as a struggling beginner it is very difficult to get everything that is needed becuase of limited funds, a pridicament which i am sure...
Replies
12
Views
6K
Marvo
Marvo
applemac
mk grid box
Hi guys, any tipson squeezing back the chassis and switches on a 8 gang grid box? All 2.5 cables and it's a nightmare I'm just waiting for a cable...
Replies
4
Views
808
Octopus
O
eNigMar
Resistance/meter for copper conductors table
I've been looking over the table in GN3 for the resistance of copper conductors per meter and there is something causing a form of OCD to manifest...
Replies
3
Views
11K
happysteve
happysteve
Y
Extending a rising main?
I am a mechanical engineer and has come across a rising main in a house which had been cut and joined using a crimped barrel connector. Common...
2 3
Replies
40
Views
4K
zenfast
Z
F
Amtech and Fault Current and Discrimination
Hi All, Having done my model for Amtech LV. I have noted that when Descriminating between two breakers the Pscc is taken at the load end of the...
Replies
0
Views
8K
fzn10
F
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