In fact it's recommended for use in electrical and RF connections by those who
manufacture them.

I've used it for... 2M

I'm surprised to hear it. I'm obviously a ham too W2ZR. All the radio
newsgroups frown on it. WD-40 CONTAINS PETROLEUM DISTIALLATES is right on the
side of the can. Do you really want to run the chance of having a tiny spark
and/or heat on your petroleum distiallates?