Yes, they need to be kept clean. The other thing was always good fun was shoving tin foil in Mr AA man's front anderson plug so when he engaged isolator on a job, it kept tripping the cutout lol

Quote Originally Posted by david_bagshaw View Post
They are commonly used on HGVs to power tail lifts.
However if covered in salt water, dont forget chlorine gas could be given off by electrolysis.

I have known one catch fire that was mounted in a wet road salty position on an articulated unit.