How To Solder Copper Wiring
Do NOT use acid flux.
How to solder copper wiring. Bare copper wire or component leads can be cleaned with wire wool. Cut off about 12 and strip and see if the wire is better looking. This will heat the wire to allow your solder to melt.
Tools vise hacksaw small drill press file sandpaper steel wool etc Note. Repeat this process on the other wire. How to solder standed wires like a professional.
Touch the tip of the soldering iron to the copper wires. At worst try RA Rosin Active flux. It will wick up the wires under the insulation and slowly eat the copper away.
Continue melting the solder until theres a thin layer of solder covering all of the exposed wire. Hold the tinned tip of the soldering against the lead and board. When doing splices clean the wires by scrapingbrushingsanding solder tin the wires to be joined slide clear heat shrink tubing over one wire lay the tinned ends together and touch them with the soldering iron and they will fuse nicely then slide the clear heat shrink tubing over the joint heat shrink one end pack it with petroleum jelly then heat shrink the other end.
Strip off about 1 inch of the insulation from each end of the two wires using the wire strippers. This reduces the risk of heating your piece of silver too much and instead leaves you with a solder joint that is barely visible. Slip the copper wire under the jumper and bend the wire over the jumper so the connection iss snug.
Materials soldering iron in want of tip replacement several cm or inches of 6 AWG solid not stranded copper electrical wire. Use heat shrink to cover the connection. I have a fancy soldering irongun - tried at 350 and 400 deg no difference.