Paul wrote:

Can anyone point me to a source for a waterproof boot to cover a
3-wire extenion cord plug? This needs to be an inline type of cover
that I can use to cover both the plug and outlet of two joined
extension cords. Thanks.


As long as you are not going to submerge the connection in a pool of
water, how about plain plastic wrap with ties or tape around the wires?
If it is to be somewhat of a permanent connection, how about plastic tape?