Search results

Good Evening All, I would like to pick your brain again please. Scenerio being a test on a Ring final circuit. I completed the end to end readings they were fine, came to the cross link p1 to e2 p2 to e1. There are eleven points on the circuit all of them came up fine apart from the last...

Hello everybody, I am in need of some help please. I was testing a ring final circuit end to end readings p1-p2 0.32 n1-n2 open and e1-e2 0.67. Cross link phase and earth come up fine which I expected, however for the neutrals I thought it was a loose hanging somewhere so opened all the...

Hello people I was wondering if you could help me understand how a tncs ze value be 12 ohms. All breakers off main conductor disconnected and two lead test with megger 1553 between line and earth tester set on high as no trip not needed. Reading is 12 ohms,so to check this again I left earth...

Hello people, a quick question on pirs, what is the requirements for them ? For example if a house has a wylex rewirable fuse board or just an mcb fuse board no rcd protection, earth and gas in 6mm and main incoming earth in 6mm or 10 mm with the 25 mm tails would this be acceptable for a...

Hello I was jus wondering if anybody could help me...I would like to know how effective the insulation resistance test is. For example if you sliced the grey on your twin and earth and the insulation was damaged just slightly sheathed not to the copper would that be picked up in a Insulation...

hello could somebody please help me...I i was wondering what the maximum length for a lighting circuit wired in 1.5mm sq cable protected by a 6 amp mcb...also the maximun length of a ring final circuit wired in 2.5mm sq protected by a 32 amp mcb. A ring may serve up to 100 m sq of floor area...