On 03/09/2020 17:56, Harry Bloomfield wrote:
john west has brought this to us :
They are unbelievably stiff to pull in and out, so only those with the
strongest fingers can manage it.
Is there some kind of lubrication that could be thinly smeared on the
copper prongs that would be safe to do?

Vaseline is usually recommended for contacts.

No-one has asked the question, 'Is there any VIR or lead-sheathed
cables in that property. Is there an earth of any sort ?.