Grufflad, I notice you're from Shrewsbury. If you are planning to do any work in Telford then you do not need to be with a Part P registered scheme as you are JIB graded.
Charging schedules guidance notes - Charging schedules for building work - Downloads - Telford & Wrekin Council
The link...
Install it to the manufacturers instructions, if they say it can be wired either way then it can be, if not then it can't be, I personally would not put it in upside down.
To find the box you use a hammer and smash the sh*t out of the wall, he'll be the one repairing it and he'll think twice about filling the next box...!
And kept for 100 years, along with all the other out of date military equipment that is no longer needed but keeps civil servants in jobs for stock taking purposes.
The JSP's only came out in about 2006 and the electrical sections were based mostly around BS7671 where they actually quoted the specific regs, then as the regs got updated it started changing to IAW.
Before then it was SRP's (Safety Rules and Procedures) for which each service had their own...
Joint Services Publications. JSP 375 Vol 3 Chapter 3 Electrical...
But as far as I remember they always stated IAW BS7671 so how the cable was installed badly I don't know?
I don't mean to be picky but how would you effectively expect to remove individual bonding cables from a steel structured building?
i.e. The incoming SWA gets terminated into a steel panel board that is bolted directly to the steel structure of the building.
The water and gas pipes are all...
Yes but if the RCD is required work in real life the load will not be disconnected, so don't think that they are always going to react as your tester said they would.
I wouldn't say it was an extension lead because it is not extending the circuit, it is the circuit.
As long as it is fit for purpose it's not a problem.
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