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In Topic: Checking New Electrics: Two Questions
2011-01-07 17:48:10
Thanks electau and lopburi3. We've now remedied some of the doubtful things. When the electrician showed visible disbelief I looked with him through relevant sections of a 43-page booklet I had got from the local electricity company entitled คู่มือการฅิดฅั้งระบบไฟฟ้าภายในที่อยู่อาศัย (roughly,'Guide to Installing Domestic Electrics').
In Topic: Earth Wire To Ground Rod: How Long Can It Be?
2010-09-29 21:38:10
T_Dog, on 2010-09-23 06:51:09, said:
Annata, Also consider that if you run your ground line in the air for some distance, you make it more vulnerable to getting damaged and cut. Better to keep it short and contained. Have you considered using a better quality rod and longer length in its present location? As Crossy says, the ground is most likely to be be fine where a longer rod ends up.
Thank you. I'll definitely explore all alternatives before deciding to go 'aerial'.
The existing rod is in the (recently land-filled) earth under the ground floor. The crawling space is really too low for hammering in or pulling out a rod of 1.5 or 2 metres' length. I'm fairly sure that what the electrician put in was a copper-painted (!) rod one metre long.
In Topic: Earth Wire To Ground Rod: How Long Can It Be?
2010-09-29 21:25:41
Crossy, on 2010-09-23 06:44:23, said:
It's quite possible that your existing ground is more than adequate but to verify it you need specialised test gear (and someone who knows how to use it).
Thank you for this.
I know that "rough and ready" isn't a good mindset for approaching electrical safety, but I seem to remember reading somewhere about a method of testing the quality of a domestic electrical earth by connecting a light bulb across live and earth (to blow it)? Am I mistaken? (If not, would I be foolhardy to try this?)
In Topic: Concrete Pillars
2010-09-08 19:21:27
Thanks to all for the info and advice.
The house is now built and I daresay will stay standing for a few years. In the end I couldn't persuade the builder to go slowly enough to keep the pillars wrapped while the concrete was curing, but at least he sprayed them with water several times a day for the best part of a week.
I'm now trying to connect with his (rather different) ideas about how septic tanks are supposed to work ...
Greetings -
Anatta
The house is now built and I daresay will stay standing for a few years. In the end I couldn't persuade the builder to go slowly enough to keep the pillars wrapped while the concrete was curing, but at least he sprayed them with water several times a day for the best part of a week.
I'm now trying to connect with his (rather different) ideas about how septic tanks are supposed to work ...
Greetings -
Anatta
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