Been to a job to see this. I'm guessing that when the old CU was replaced the sparks didn't bother to remove the old meter tails - they were live and just had a couple of wraps of insulation tape round them.
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Discuss Meter Tails hanging loose. in the UK Electrical Forum area at ElectriciansForums.net
In that case, would have been better to turn them in to more blocks.Maybe he didnt have any blanking plugs for the top of the Henley, and figured that sticky tape might be safer
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