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by charliewm
Mon Aug 09, 2010 10:48 pm
Forum: Electrics Forum
Topic: Fault on Ring Main
Replies: 1
Views: 6318

Fault on Ring Main

Fault has developed on a ring circuit. There is end to end continuity on each conductor and the insulation tests on L/N, L/CPC/N/CPC although low (5.70) is not 0.00. The problem is that half the sockets work and half do not. My feeling is that the neutral return has broken down but yet there is cont...
by charliewm
Wed Dec 23, 2009 5:58 pm
Forum: Electrics Forum
Topic: 100mA RCD Tripping
Replies: 3
Views: 12711

Hi, Thanks for both your replies. Situation has become clearer. There is a fault on a lighting circuit. The insulation readings are fine and my suspicions are a switchwire in the neutral block in a fitting causing a short circuit. That said, the property is to be let out (it has been converted into ...
by charliewm
Thu Dec 17, 2009 6:59 pm
Forum: Electrics Forum
Topic: 100mA RCD Tripping
Replies: 3
Views: 12711

100mA RCD Tripping

Hello All, We have a situation in a barn conversion as follows: the supply is three phase, with one phase connected to a dual 17th Edition MK CU. At the intake position which is in an outbuilding 50 metres away, the supply comes in SWA to 100 Amp 100mA three phase RCD. THen to 100Amp switch fuse and...
by charliewm
Mon Oct 27, 2008 9:06 pm
Forum: Electrics Forum
Topic: DOwnlighter problem
Replies: 3
Views: 2874

Downlighter problem

Thanks for your reply. However if I go to the expence of re-installing these lights are they just going to blow again or is there some way of preventing this happening?
by charliewm
Fri Oct 24, 2008 3:22 pm
Forum: Electrics Forum
Topic: DOwnlighter problem
Replies: 3
Views: 2874

DOwnlighter problem

Hi All, Over year ago I had 50W halogen downlighters installed in my kitchen. There are 12 altogether and each has its own transformer. Recently they have decided to stop working, gradually one by one and now there are none working. An electrician came round and said the transformers had blown...ALL...
by charliewm
Sun Aug 31, 2008 11:29 am
Forum: Electrics Forum
Topic: Noisy Bathroom extractor
Replies: 6
Views: 4243

Noisy Fan

Do not use a dimmer switch as the motor will fail.
by charliewm
Sat Aug 09, 2008 11:08 am
Forum: Electrics Forum
Topic: Bathroom extractor fan
Replies: 2
Views: 3170

Bathroom extractor fan

I have recently had an in-line fan fitted above my bathroom. This has stopped working after being installed approximately one month. It has been wired into the lighting circuit and has a timer. The lights are controlled by a dimmer switch and the loft where the fan is situated has just been insulate...
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