Filled with silicone, these connectors seal out moisture and prevent corrosion. There’s no crimping since you twist to connect wire by hand, so these connectors are good for jobs where you don’t want to carry around a lot of tools.

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Made of porcelain, these connectors can withstand temperatures up to 1200° F. Use them to make quick, secure wire connections without crimping.

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Suitable for use in tight spaces, these connectors have a narrow profile that takes up less space than standard wire splicing connectors. Use them to make quick, secure wire connections without crimping.

Grounding connectors have a hole in the top that allows a single ground wire through while multiple wires remain connected inside.

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Rated to 300° F, these connectors are an excellent choice for use in high-temperature applications such as HID lighting and electric heat. Use them to make quick, secure wire connections without crimping.

Connectors with a set screw have an inner barrel with a set screw that firmly holds wires to provide a secure grip in high-vibration applications.

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Suitable for use underground, these connectors consist of a twist-on wire connector and an abrasion- and moisture-resistant insulator tube. The tube is filled with grease that acts as a sealant. Use these connectors to make quick, secure wire connections without crimping.

Grip the wings on these connectors to increase leverage when tightening. Use them to make quick, secure wire connections without crimping.

Grounding connectors have a hole in the top that allows a single ground wire through while multiple wires remain connected inside.

For technical drawings and 3-D models, click on a part number.

Large enough to be used with a wide range of wire sizes, these connectors can still fit into cramped outlet boxes. The rigid plastic top protects the connection and the flexible bottom skirt allows them to conform to tight spaces. These connectors make quick, secure wire connections without crimping. Grip the wings to increase leverage when tightening.

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Soft molding over the wings provides a comfortable grip. Use these connectors to make quick, secure wire connections without crimping.

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Convenient for jobs where you don't have crimpers on hand, these wire taps twist together to connect a tap wire to a main wire. The cap locks the wire into place, making them good for high-vibration applications. As you twist the cap onto the main wire, it pierces the insulation, so you don’t need to strip the wire. However, you’ll need to strip the tap wire.

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A good choice for jobs where you don’t have crimping tools on hand, these connectors twist on to install wire quickly. Some connectors are easy grip, so they have wings that increase your leverage when tightening.

Convenient for jobs when you don't have a crimping tool on hand, these butt splices have end caps that you twist instead of traditional crimping. The end caps lock the wire in place, making them good for high-vibration applications.