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Guys, Many thanks for your replies, as it was a TT system and as most of my work is on TNS TNC-S (city boy) I looked at the OSG for inspiration about the Zs, Appendix 2 (Pages 100-102), I noted that Tables 2A, 2B and 2C all mention for TN systems, so thought that table 2D must be covering TN...

Hello all, I've got a question about Inspection and Testing, I'm a domestic Installer and have done a fair bit of testing and signing off my own work. This is my first time I've had anything to do with TT systems and need some advice. I have been installing a circuit in a property which is TT...

They have given me a TNC-S (0.1 ohms, not bad!), so it can be done but i wasn't there when they did it to get more info. Gazza

What

Hi kevfusilier I did my training with Clarkson Evans in Gloucester, Excellent setup where all the instructors are fully qualified sparks with years of experience (they have even built a house inside a hanger so you can fault find!!). They are a company that only does new builds, they employ...

I have a proving unit and use it for all my NICEIC assessments, if i use it that's one less thing they can pick me up for, i like to cover all bases when being assessed

I have, I wasn't using the Steel Wire as the CPC, it was 3 Core, 2.5mm so used the cores as Phase (Line), Neutral and CPC. The box was an enclosure IP rated 56, Plastic Grey

I've got an account with them, the staff have been very helpful and I have had some good discount when I've bulk ordered. I've also got an account with their sister company 'Rexel Senate', same detail, as they are in different towns it gives me coverage across the area I work in. I prefer Denman

Thanks for the replies, having had a brief look at the area when i was leaving i noticed most houses had TT systems, I always thought that TNC-S was the better earthing system to have (0.35 ohms, very low resistance, better than 21 ohms for TT) Could someone clarify some abbreviations, DNO (or...

Hi Guys, Got a job coming up (full rewire) where the customer is having an extension built, the Project Manager is getting the supply company in to move the exisiting supply (its overhead, is currently TT & it is in the way!). The supply company are going to put it down the pole under the...

Thats exactly what i was told at Clarkson Evans in Gloucester (Great place to train by the way, i recommend it to anyone)

Yeah, served in the Royal Artillery, had a great time, now trying to carve out a living on the Domestic side

Just a quick hello, been in the industry for a couple of years after doing 22 in the Army , NICEIC reg, Self Employed, looking to get into the 2391 area (Exam this thursday) as work seems to be slowing up. Located in the south (Salisbury Area). Thanks Gazza96