Wrap the entire wire with electrical tape or slide the heat shrink tubing over the exposed wire splice. You can apply a small amount of solder if you choose. Twist the metal shielding together with your fingers. Wrap the bundle of four internal wires lightly with electrical tape, leaving the twisted metal shielding exposed. Alternatively, slide the heat shrink tubing over the spices and shrink it with a heat gun or by placing the heated soldering iron near, but not touching. Wrap the splice on each wire pair with a small piece of electrical tape. Cut a 1-inch section of the plastic sheathing from the end of each. If you are using heat shrink tubing, be careful not to shrink it prematurely with the soldering iron. Cut the USB cable or cables you wish to splice at the designed length using a wire cutter. Do not heat the solder directly with the soldering iron. Touch the soldering iron to the wire to heat it until the solder melts when touched to the wire. Twist each wire pair together using your fingers.Īdd a small drop of solder to each section of joined wire to improve physical strength and electrical conductivity. The length should be cut so it will span the exposed segment of each wire and the cable. Slip a cut segment of heat shrink tubing – to be used in place of electrical tape for electrical insulation – on each side of the internal wires and a larger piece over the cable. Remove a 1/8- to 1/4-inch segment of shielding from each side of the four internal wires using the razor blade. This ensures that there is not a bulge where the wire is spliced and reduces the risk of cross-talk between the four internal wires. Matching the wire colors, the longest wire on one segment of the cable should be the shortest on the other. This will expose four wires sheathed in red, green, black and white plastic.Ĭut the length of the four wires in a staggered pattern using the wire cutters. Pull the metal shielding to the side and twist it into a bundle using your fingers. UGREEN Headphone Splitter for Computer 3.5mm Female to 2 Dual 3.5mm Male Braided Audio Splitter Cable Microphone Stereo Jack Earphones Port Cord Gaming Headset to PC Laptop Adapter Black 17,037 999 Save 1. Make a 1-inch cut along the length of the wire followed by a circumferential cut to remove the sheathing. Cut a 1-inch section of the plastic sheathing from the end of each wire segment using a razor blade.
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