Not necessarily.
Anything that can insulate the pipework from a voltage in the region of 250V.
I'm sorry, but I'm still clueless Please forgive me as I am not in the building trade.
Well the yellow tape is electricians tape, and is only really used as identifying cores not as an insulator.I can see that the yellow tape does not conduct electricity, and the grey plastic on the cable would insulate the wire. That's the extent of my knowledge.
Electrical separations would be the ideal step to take, but plastic containment like conduit or trunking would do the job.If the plumber were to say "it's not finished yet", what exactly would he use as this 'electrical insulated material'.
There also concerns that the electrician has not performed their tasks that well either. As the cables have not been support and there seems to be evidence of cables routed outside the safe zones (Assuming they are positioned closer than 50mm to either wall surface?)
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