Christmas lights are the easiest, Just fill and plug the contacts and the GFI's won't Blow when it rains..
Wipe off the excess, Not greasy or goopy. Rain or Snow and your plugs will be water tight.
Filling outdoor light cord plugs with dielectric grease keep out rain. Grease removes easily when you pack your lights away with no greasy residue.
Put a blop or a bead of filler over the contact holes.
Plugs are easy: Just fill slots and assemble
Just fill the female sockets and assemble the cords
Put in enough Dielectric Grease Filler to fill all the voids.
Wipe off the excess and it's waterproof for the yard and rain.
Non-Greasy Dielectric Waterproofer for Outdoor Christmas Light Cords & Plugs
On extension cords: A few pea sized beads over the female electrical ports and plug in the cord, Wipe off the excess.
Apply beads of STUF paste over the female electrical slots and assemble the plug.
A little on you finger quickly fills the unused slots.
Clean off the excess. The consistancy is a bit like fluffy cream and later becomes a soft clay like material.
Often the first bit of paste out of a fresh tube is oily, Squeeze the first bit out and discard it .
STUF is a Dielectric Filler which forms a non-greasy, clay like, moisture barrier.
Unlike Silicone Grease, STUF is cleaner and neater with no greasy residue.
It works well on all types of outdoor electrical connection water problems.
Your outdoor holiday lights won't sizzle everytime it rains and won't pop the GFI breaker when they get wet. Great on Automobile Battery terminals as well !
Dielectric Grease for Waterproofing Outdoor Christmas / Holiday Light Cords and Plugs