UK Low Insulation Resistance Test

[DefyG]

It should be remembered that this is for the entire installation though,

Or an individual circuit! You wouldn't necessarily test the 'whole' installation if installing a new radial circuit serving a double socket in an office block ...... would you?

 

[Risteard]

Or an individual circuit! You wouldn't necessarily test the 'whole' installation if installing a new radial circuit serving a double socket in an office block ...... would you?

The minimum values in BS7671 are for the installation (or distribution circuit with all final circuits connected in larger installations) - not for an individual final circuit.