You can splice low voltage wires with solder and electrical tape or with various connectors or splicing kits. Choose your connecting method depending on the type of cable, the voltage and the current. For ordinary household wiring, electricians use twist-on connectors secured with electrical tape and placed inside connecting boxes. Shrink tubing gives a neater and more long-lasting result than electrical tape. Low voltage, underground wiring requires special treatment as does high current wiring. Silicone sealer seals such wiring against water infiltration.
Things You'll Need
- Insulation stripper
- Electrical tape
- Shrink tubing
- Hair dryer
- Soldering iron
- Connecting box
- Splice kit
Get twist-on wire connectors for ordinary household wiring splices. Turn off the power. Install a connecting box or use an existing box. Insert the cables through the connecting box holes. Strip one inch of insulation off the wires to be connected and twist the wires with matching color of insulation together. Twist on the twist-on wire connectors. Wrap the connectors and connected wires with electrical tape. Place the connected wires in the connecting box and tighten the strain-relief clamps on the cables. Screw on the connecting box lid.
Use solder and shrink tubing for low voltage wiring such as 12-volt indoor wiring. Disconnect the power. Slip a three-inch length of shrink tubing over one wire of each splice. Strip one inch of insulation off each wire. Twist the wires of the same polarity together horizontally and smoothly so that the twisted portion is in line with the wiring. Solder the connection so that the solder penetrates the twisted wires. Slide the shrink tubing over the splice. Blow on the shrink tubing with a hair dryer until it has shrunk over the splice.
Use a splice kit to join low-voltage outdoor wiring, such as landscape lighting. Disconnect the power. Strip one inch of insulation off each wire and place the wires into the connector supplied with the kit. Twist or close the connectors as per the kit's instructions. Insert the connection into the protective tube and seal the tube as per the instructions which came with the kit. Bury the sealed, water-proof connection.
Connect special wiring with high currents or wiring subject to stresses using a kit which gives extra strength and protection. Turn off the power. Strip one inch or more of insulation off each wire as required by the kit. Place the wires into the connectors and crimp or tighten the connectors as described in the kit's instructions. Place the connection into the protective sleeve or container and heat-shrink or tighten it as per the kit's instructions.
- Photo Credit Jupiterimages/Photos.com/Getty Images
How to Repair Low Voltage Landscape Lighting
If some of your outdoor low voltage landscape lighting is not working, the most likely cause is a bad connection. Landscape lighting...
How to Splice Malibu Lighting
Splice into your Malibu lighting line and add more low voltage lighting in your garden. “According to Malibu Lights, Malibu is the...
How to Splice High Voltage Cable
Splicing electrical cable is the process of joining two or more wires together to form a connection. Using a wire nut will...
How to Make Your Own Waterproof Low Voltage Connectors
Knowing how to make your own waterproof low-voltage connectors will come in handy when working on wiring exposed to the elements. They...
How to Splice an Underground Electrical Cable
Splices are required in underground cable for a variety of reasons. They are required if digging equipment accidently hits a wire, or...
How to Add Lines on a Malibu Outdoor Lighting Transformer
Your garden or yard landscaping isn't laid out in a straight line; neither should your Malibu low-voltage landscape lighting design be limited...
How to Splice Underground Electrical Wires
Buried electrical wires can easily be damaged when doing landscaping or construction, causing a loss of power to anything from dog electric...