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rods

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  1. M

    Earth rods to reduce Ze

    Can anyone help. The electrician has measured the Zs of a new submains cable installation and it is too high. The set up is this: We have a new external cabinet housing a 200A 3phase TN-S intake. From the intake 1 new 150metres 95mm sq 4core swa + sep 35mm sq earth cable has been run to a...
  2. P

    TT and Earth rods

    Just replaced old CU on TT with 7 way Crabtree RCBO board. Original Ze was 230 on a copper tooth pick. Got Ze down to 6.5 ohms using 3 x 4ft 5/8th rods. Just interested to know how low you guys have got a Ze down on TT and when you'd stop hammering down to Australia? Cheers
  3. D

    Super Rod Deluxe Cable Rods

    Hey All, Just thought I'd give you a heads up - Buy Brand Tools ( forum sponsor) are selling these at £53 + vat (normally £106 + vat) and you'll get 10% off if you mention EF. Just ordered a few bits to save on the delivery charges :):)
  4. P

    earth rods.

    I'm having problems with 3/8" unthreaded earth rods, can anyone help!
  5. G

    TT...installing 5/8" rods

    well...here I am again...this time its installing a TT system utilising 2X 5/8" rods...with the connector..: here is the necessary gear as laid out (the 20mm PVC conny isn`t in the pic) these are the type of rods you need...no 3/8" twigs here (apart from in that bush behind maybe) site is...
  6. J

    Super cheap super rods sets

    Morning all, In case anyone's after a set,I've found dirt cheap sets of super rod super six sets on ebay. £25.99. You can barely get them for double that price elsewhere. Mine arrived this morning. Hope that's of help to someone.
  7. G

    reading on earth rods

    Hello people, recently I've come across fitting an earth rod and the Ze reading I got was 77.4, is this acceptable and in range? Also what are the maximum Zs readings for TT systems?
  8. M

    Cable Rods - Do you use them?

    I only have a couple of cable pulling devices (a fish tape in a reel and a coil of that plastic stuff for use in condiut). Who here uses "Cable Rods" and their associated funky ends etc?
  9. B

    concreting earth rods

    When in stalling earth rods is there a requirement to concrete them and there enclosure in?
  10. Rockingit

    Earth rods - one for E54 - you'll like this!

    Sorry E54 - couldn't resist! So... need to put some temporary rods in for temp supplies, unexpectedly, in a hurry. Wholesaler only has 1 x 5/8ths and 2 3/8ths, OK says me that'll have to do. RCD protected supplies and no bonding, so arguably they don't even need to be there at all (TNCS...
  11. richy3333

    Drill/Hammer for installing earth rods.

    I'm fed up with whacking these things in by hand and so have decided to by a drill/hammer for putting these blighters into the ground. Around here the earth is not obliging so I'm looking for something with some power. Just wondered what other people use and what sort of power (joules?) other...
  12. K

    Cable rods - BEWARE

    Just to give you the heads up lads any of you's use fibreglass cable rods? one of the lads was using them yesterday and a needle like splinter has went into his finger, the hospital are having a real problem removing it, due to the fact it doesn't show up on x-ray very well. May have to have the...
  13. D

    Earth rods, here we go again!

    I couldn’t help think about Engineer54’s teachings today when I carried out an EICR and found two earth rods with an RA of 393 ohms. I pictured him sitting atop Everest, deep in meditation like Buddha, divinely in tune with all TT installations around the world, trying to teach people the...
  14. L

    will piggy backing earth rods to a TNS bring the ze down?

    Evening fellas Couple of weeks ago I posted about a high ze on a TNS I found, turned out to be a homemade TNS with an earth clamp. DNO showed up and verified it wasn't there connection, got the same reading as me (2.08ohm) Told me I best rod(s) it to bring it down, I've already fitted RCD...
  15. A

    grounding rods

    easy lads, im doing some diy and iv dug down under the footings to underpin, in one of my sections is a earthing/grounding rod. im only goin down about 80cm, do i have to remove the rod and re-place or can i dig around it? or should a sparky come and sort it out for me? answers on a postcard..
  16. F

    Long cable rods - Which site

    I the past - long long time ago - well for me it must be a long time ago - there was a link to a web site that sold long cable rods, not the super rods but ones that appeared to be just long bits of round plastic which you just tape together if you needed more length. I just spent the last...
  17. N

    TT System - Earth Rods

    Just abit of advice needed please. Off to do a job next week on a TT system the Ze was 463Ohms so I plan to install a new rod and main earth cable, But I know it's going to be a pain to get it low enough. If there any rules on having a link from my new rod to the old one? Thanks
  18. Rockingit

    Using rods for bonding

    Have a situation where a 6mm bonding cable put in place at first fix to bond gas bottles (to the kitchen gas/electric range cooker) isn't now going to work as the position of the bottles has moved significantly. Putting a new run in isn't an option so rather than than hashing something together...
  19. Jimmy Boy

    The older regs for Earth rods

    What were the regs for a 1990's built house ? See this pic of the E rod it's on a detached garage,TNCS so they split the install as they did then and TT'd the outbuilding ( Even tho no services) RCD in garage none in house, my question is how do you inspect the E rod connection ? Were the regs...
  20. R

    Earthing Rods. where best to place?

    HI - can I just check something please? Where is the best place to put an earthing rod ? Would it be directly outside the front or back door, or can it be placed anywhere outside. Is there any maximum or minimum distance required ? Thanks.

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