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Just fitted a fag lighter socket to my motorcycle to recharge things like phones etc whilst camping. Any suggestions as to what power fuse to use?
What size cable do you have? (don't go higher than that)
What is the lighter socket rated for? (and don't go higher than that)
What is the most powerful thing you are going to plug in? (not much point in going way over that)
I'd probably just go with 5A, as long as the wiring and socket are suitable for it. 2A would probably be the most you need for phones etc as most chargers will be rated for 500mA. Put the fuse close to the battery, not the socket end of the wire.
5 amp should easily do.
FWIW Power is volts [ i assume 12.6] x Amps
So work out the maximum power of what you want to use [ assuming you used wire of the appropriate size [ threads per mm iiirc] and fuse appropriatley
10 amp will be fine as well
20 amp is fairly large and possibly greater than the cable and possibly the lighter were designed for
EDIT: or what he said 43 seconds earlier
They are generally 10A, which is why fag lighter powered things are always up to 120W.
Ta. 5 amp should be plenty. Wire is whopping. Not worried there. Socket has no rating on it. 5 amp max for gadgets to be charged.
Depends on the gauge of wire supplying the power socket. You shouldn't need more than a 5A fuse. Mine supplied an old Garmin Sat Nav (newer ones are more energy efficient) and an IPod (hard drive type). My brother uses a 5A for his heated jacket and gloves.