Portable panels wire size
Hey guys, I need some help. Would you consider giving me some advice please? I’m putting together a portable solar panel setup. The panel’s will be the following. Max Power: 140Wp Open Circui...
Forum Discussion
pianotuna wrote:
Hi,
Fusing is done to protect the wire. It is also done to prevent catastrophic failure. It has little to do with protecting the charge controller.
A lead acid battery is capable of doing welding--that is why you need to fuse.
Ahhhhh soooo said the blind man to his deaf brother over the telephone, now I see!
Thanks for the clarification. I should have known that. I once saw a friend weld the clasp of his watch band with 24v DC by touching the ground bus bare and the bare end of about a 24 ga alarm wire with his metal watch band. Just a momentary arc but my oh my what it did to his wrist. So in that case I guuess the closer the fuse is to the battery the better?
What type of fuse or overload mechanism do you use with your hi current DC cables?
