It is buried cable outside.
Is it to a shed or 'new WFH office'?
You should have the armoured feed terminated into a separate fuse board. Then run into a lighting circuit with proper discrimination and earthing.
It’s lighting recessed into a retaining wall.
I’ve got no doubt the electrician has done it all by the book but I want test the lights without him charging me to come out. I’ll do as was suggested up thread and make myself a little testing rig.
@Mr_Sworld started
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It is buried cable outside.