cliffed

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Arms
1992 BS7671 16th Edition who remembers doing Supplementary Bonding to everything in Bathrooms..
How did we connect the 4mm in the fittings 😂
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Every time I go into our workshop toilet I look at the pipework. Copper pipe going to a plastic valve and then a 6" length of copper pipe coming from the valve to the plastic tank. Each side of the plastic valve is the earth strap with a short length of earth cable 'earthing' the otherwise totally disconnected 6" piece of copper pipe. Ah, the good old days.
 
In 2017 aberdeen city Council were still insisting on bonding kitchen pipes and sink ,a real pain in the arse as you had to get the apprentice to fit a rad clamp to sink before it was fitted other wise it was a faf.also bathroom rads and pipe work and steel bath all while running in main bonding conductors and rcbos.that was the relaxed rules before it was a 4 mm from light switch to shower to pipes etc .
 
A lot of fittings came with, and possibly still do, come with a big earthing screw on the body of the fitting. Big enough for a yellow crimp with a hole.

The big trouble was getting a loop in wiring system, switch wire drop and a 4mm through a tiny tiny access hole with a loose gromit.

(Gromit? Grommet?….. more cheese Grommet?)


I think I started on the 15th in 1990…. And I remember as an apprentice being told to bond everything….. I think I’ve still got some radiator clamps from that time. Instant rust spot.
 

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