Originally Posted by CarlF
I have a couple of old beach towels that I throw over everything and then peel just enough back to get at the spots I need. The towel also makes a good non-conductive place to rest tools.
That may work for 12 volt single
bats, but it is still a huge risk. First a beach towel made of cotton or some other fabric
, isn't really an insulator.
Any moisture at all will conduct enough to cause a spark at the very least...now if the bats are at or recently were at gassing stage, then the spark causes an explosion, and the towel adds fuel
to the fire. It may even be that the towel creates the environment
for the explosion by containing the hydrogen gas cloud in a density that can explode. Now if we are talking 24,32,36, or 48 volt systems then a towel is of no value.
acid, is explosive at 4% by volume in open air. Battery
acid starts boiling 12.3 volts at a 12 volt nominal, or 2.1 volts times the number of cells in the bat.
Before working on a live bank, make sure there has been no charge\discharge source to the bats for at least 2 hrs and the area is well ventilated for at least 2 hrs after charge\discharge.
Always disconnect the the ships neg to battery first, then disconnect each neg in the string, secure the cables
with a short piece of rubber hose, then secure each neg bat post, with a cap.
Now you can follow the same routine with the pos. cables/posts.
average 12 volt battery has a potential of 1.3kw arc