Legally, splices can only be inside junction boxes. So here's how you handle "the cord is too short". ![]() They do exist, but O'Reilly Auto doesn't sell them and they don't use $5 crimp tools either. You cannot "freestyle" splices in the manner you are talking, you must use listed products, which those cheapie butt splices probably won't be. This family of lights uses all 120v wiring which means the full weight of NEC applies. As a result, no splicing needs to be attempted.ĮDIT: This is obviously NOT a duplicate question as erroneously suggested as "What size heat shrink tube is required?" and "How can I safely do something?" are completely different questions. Update: This particular line of products now has longer lengths of linking cords available. If you believe there is no way this can be done without a moderate risk of fire, it would be very helpful to hear why you think so. The cables will not be in a place where they can be routinely touched, and if I were to move out of the house, I would take all of this stuff down, except for the first of the linkable fixtures which was installed with a junction box by an electrician (it is controlled by a light switch). I realize there may not be a code-approved way of doing this. Any suggestions for the safest way to do this are welcome. Or I could simple put the spliced areas within junction boxes. I could also run all or some of the cabling through conduits, bracketed against the wall. If nothing else, I'll just be using cable staples. The strips will be against the wall, on their mounting brackets, and the cabling can be secured however. Beyond this, what should I do to make sure this setup is safe? I will ensure the splices are solid and the polarity is correct. My plan is to splice them using some 22-18 butt splices, then heat shrink them with 3/4" tubing. I am planning to cut the connector cable in the middle and insert an appropriate extension length from my spool. I have a spool of the same type of cable. The connector cables are 18-2 SPT-2 lamp cord. The connector cables are a bit short for what I have in mind, but I need to use their ends because they have special connectors to link the fixtures and maintain correct polarity. ![]() They are linkable LED fixtures which each come with a connector cable to link, optionally, to additional fixtures. Apply heat as before.I am interconnecting some strip lights in a closet. 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. If you are using heat shrink tubing, be careful not to shrink it prematurely with the soldering iron. ![]() 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. 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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