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Buried-cable detector

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Joseph Noci 105/06/2022 15:08:11
1323 forum posts
1431 photos
Posted by ega on 05/06/2022 09:54:50:

Buying a replacement 9V brick (or block) battery for this kind of device seems to be something of a minefield, particularly if you are considering a rechargeable one.

Why is that? Are they scarce because of environmental issues in your country? There appear to be many sources for 9v NiMH rechargeable blocks..

Mike Poole05/06/2022 16:42:30
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3676 forum posts
82 photos

I think the wiring regulations require the wiring to be vertical or horizontal from any wall mounted sockets and switches, a band below the ceiling is also specified for wiring. Of course the shortest route cowboys may have been at work so it is best to check as far as possible.

Mike

ega05/06/2022 16:48:11
2805 forum posts
219 photos
Posted by Joseph Noci 1 on 05/06/2022 15:08:11:
Posted by ega on 05/06/2022 09:54:50:

Buying a replacement 9V brick (or block) battery for this kind of device seems to be something of a minefield, particularly if you are considering a rechargeable one.

Why is that? Are they scarce because of environmental issues in your country? There appear to be many sources for 9v NiMH rechargeable blocks..

Certainly not scarce so far as, eg, Amazon UK is concerned but the entries there are littered with adverse comments, particularly about LiOn rechargeables. It's no doubt less of a minefield to those more knowledgeable about battery technology than I and I was hoping someone would weigh in with some advice. I was looking for a replacement for an alkaline non-rechargeable.

Incidentally, the battery rejected by my cable detector at about 8.5V was happily accepted by my moisture detector.

I have always found the standard 9V connector with male and female press studs rather awkward to use.

Emgee05/06/2022 20:16:41
2610 forum posts
312 photos

I believe it will be difficult to buy a device that will reliably detect live or otherwise cables in a stud wall where they will be 60mm deep if in 2"x4" stud, even is a 3" stud the depth will be over what can be detected by any low cost meter.
Lots of partition walls these days are formed from pressed steel U and Z section so are more easily detected than a wood structure, any cables though may be difficlt to locate.

As said by others the cables are likely to be almost vertical above/below electrical equipment but may also be horizontal in such areas where there are multiple outlets at the same height and on the same circuit.

Also I think it may have been said another cable zone to avoid is at ceiling level and 400mm below.

Emgee

Michael Gilligan05/06/2022 21:54:06
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23121 forum posts
1360 photos

Posted by ega on 05/06/2022 16:48:11:

.

I have always found the standard 9V connector with male and female press studs rather awkward to use.

.

Fortunately .. the GMS 120 doesn’t use one

3ac6b61d-3fae-49b6-9663-e6c77d94118f.jpeg

MichaelG.

.

Ref. __

Edited By Michael Gilligan on 05/06/2022 21:54:59

Nicholas Farr05/06/2022 23:31:20
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3988 forum posts
1799 photos
Posted by ega on 05/06/2022 16:48:11:

I have always found the standard 9V connector with male and female press studs rather awkward to use.

Hi, but they are handy to have at times.

use em up.jpg

Regards Nick.

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