On Thursday, January 18, 2018 at 3:01:39 PM UTC-5, Electric Comet wrote:


am curious because i wonder if they can become unsafe to use in the
electrical sense and what to do besides replacemnt

I don't have any really old tools, but do have a couple of 50 year old
electric appliances. Age alone does not make them unsafe, usually
mishandling of cords causing them to fray or crack where it bends.
Check the insulation. Of course, tools stored in a damp shed or garage
may be damaged from years of corrosion and bearings can dry up.