If you have 2 completly seperate supplys, both TT and they are right next to each other, is it exceptable for them to be both of the same earth rod???
If you have 2 completly seperate supplys, both TT and they are right next to each other, is it exceptable for them to be both of the same earth rod???
Drained 3 batteries on my 24V makita just doing one 12mm hole through a ~60mm thick wall.
Are you aware that the code of practice says you should discount the first metre of buried rod? That is, a one-metre rod is not considered to give reliably low and maintainably stable readings. Also, separate rods need to be spaced sufficiently far apart that they do not influence each other - and that will depend on their depths, soil resistivity, type and cross-sectional shape and area of the rod/s, etc.Thanks all. Think i will just put 2 rods in. What i was thinking of doing was fitting 2 rod clamps on the 1 rod but because the rod is inside and most probably will not give a good reading, i will fit 2 new rods outside.
dingbat";p="1787089 said:Relative to everything else an electrician encounters, the business of earthing is complex. It is not as simple as whacking in a rod, peeing on it and taking a Ze measurement, as many seem to think.
Some people just have to ruin the nice bit of the job
Relative to everything else an electrician encounters, the business of earthing is complex. It is not as simple as whacking in a rod, peeing on it and taking a Ze measurement, as many seem to think.
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