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Wire Connectors

At Nelco we offer a wide-ranging catalog of wire connectors and wire connector accessories, including electrical connectors, butt connectors, crimp connectors, cable connectors and more. Our extensive selection of connectors is ideal for use in a broad variety of cable and wiring applications. View the product chart below and click on the corresponding links for more specific information on any product.

*The vast majority of our available wire connectors here at Nelco Products are all UL listed and CSA certified (for exceptions, contact a Nelco Sales Representative at sales@nelcoproducts.com) or Call us toll free at 1-800-505-6352.

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Electrical Wire Connectors

Wire Connectors:
A cone shaped, plated steel spring conforms to the inside contour of the insulating electrical connector shell, which supports the spring as the conductor is driven up into the cone. These durable wire connectors no pre-twisting, the wires are automatically twisted together for a secure connection and maximum wire contact. Fixed spring wire connectors may be used to make branch circuit or fixture wire connections on numerous combinations of solid and/or stranded wire.

If you have additional questions on electrical connectors, or any of the wiring accessories we currently have available call 1-800-505-6352.

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Wing Wire Connectors

Wing Wire Connectors:
A square wire, coiled spring expands freely within the tough plastic shell of each of our high quality wing wire connectors and can thus accommodate a wide range of wire combinations. The angled edges of the spring attaches to the conductor as the connector is twisted on for an easily secured joint. The spring applies even pressure over the entire contact area, and provides a low resistance connection and mechanical strength against pull and vibration.

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High Temperature Wire Connectors

High Temperature Wire Connectors: Rated at an ultra-strong 302°F (150°C), high temperature wire connectors are designed for use in HID lighting, high-wattage fixtures and signs. High temperature connectors are also ideal for new construction, maintenance and manufacturing applications. The large barrel-shaped cap on each high temp wire connector eases hand-threading, and the deep, wide throat allows for easy entry and full coverage of each wire connection.
If you have additional questions on any of the high temperature connectors we currently have available, call us toll-free at 1-800-505-6352.

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Ceramic Wire Connectors

Ceramic wire connectors are excellent for high temperature (over 150°C) wire connection applications. These ceramic connectors are ideal for electrical, lighting, heating and cooking appliances. The large skirt opening on each ceramic wire connector permits fast wire entrance during hand or power drive assembly. All ceramic connector sizes have a 300 volt maximum. There is no temperature limit.

If you have any additional questions on these ceramic wire connectors including ceramic lighting connectors and ceramic sealed connectors, please give us a call toll-free at 1-800-505-6352.

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Butt Splice Connectors

Splice Connectors:
These versatile and highly durable butt splice connectors are ideal for a broad range of electrical cable and wiring jobs, and utilize ultra-efficient and easy-to-use chamfered barrel ends to ensure fast and easy wire insertion in virtually any application! Available in non-insulated, vinyl insulated, nylon insulated and high temperature insulated options, these butt splice crimp connectors also provide a convenient built-in wire stop for correct positioning every time! Butt splice connectors must be crimped at both ends.

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Insulation Displacement Connectors (Quick Splice Connectors)

Easy and time saving - to install one, just squeeze - no stripping or twisting. The unique "U" contact provides dependable electrical connections.

  • A "live spring" joint is made by driving the "U" contact down into the connector.
  • As the "U" contact is pressed into the connector, it grasps conductors as it displaces insulation.
  • The contact grips the conductor and holds with a firm, resilient pressure.
A wide variety of styles and sizes are available to meet all your applications. Fluorescent ballast installation and replacement, fixture and appliance wiring, automotive and marine wiring and control circuit wiring are easily accomplished.

Download the Insulation Displacement Connecotr datasheet.

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Nylon Insulated Closed End Wire Connectors

These nylon closed end insulated wire connectors feature two-piece construction, a translucent nylon molded insulator and a metal wire connector insert. The wire connector's insert is made of highly durable annealed, tin-plated, seamless, pure electrolytic, tough pitch copper. Individual closed end wire connector design and performance requirements dictate the use of copper inserts. These insulated connectors are all rated for a maximum of 600 volts, and are also available on Mylar tape.

If you have additional insulated wire connector questions, call us toll-free at 1-800-505-6352.

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Crimping Tools

Crimping Tools:
Nelco Products stocks three different styles of crimping tools: scissors style, ratchet style, and a heavy-duty ratchet style.

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