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Blue twist-on wire connector, standard style, polypropylene body, zinc-plated steel contacts

Ideal

Ideal 30-072 Twist-On Wire Connector 22-14 AWG 300 V

SKU CH-EZKM-WBKQ5

Twist-on wire connector joins copper conductors from 22 AWG to 14 AWG at up to 300 V with a polypropylene shell rated UL 94 V-2

  • Connects wires from 22 AWG to 14 AWG
  • Rated for 300 V maximum operating voltage
  • UL Listed and CSA Certified for safety compliance
  • Withstands temperatures up to 221 °F
  • Standard twist-on design for quick installation

Ideal 30-072 Twist-On Connector Range

The Ideal 30-072 twist-on wire connector joins solid or stranded copper conductors from 22 AWG up to 14 AWG. It is rated for 300 volts and carries UL, CSA and CE approvals. Electricians and maintenance technicians use it for residential lighting, receptacle wiring and low-voltage control circuits. The blue polypropylene shell provides V-2 flammability resistance and a maximum operating temperature of 221 degrees Fahrenheit.

Sustained Load Behaviour

Under continuous current the steel zinc-plated springs maintain consistent contact pressure across up to five conductors. The polypropylene insulation resists thermal softening at the rated 221 degrees Fahrenheit limit. The connector remains mechanically stable when the maximum combination of three 16 AWG wires is installed. No fill material is present, so heat dissipates directly through the plastic housing during prolonged operation.

Installation And Common Issues

Strip each conductor to the recommended length, align the ends and twist the connector clockwise until the wires are firm. The standard-style cap accepts a maximum of five conductors but overfilling beyond the 3-16 AWG limit reduces spring grip. Reusing a connector after removal can weaken the steel spring and compromise the connection. Ensure no bare copper extends past the skirt to avoid short circuits.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 98% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameIDEAL

Questions about this item

Does the 221 °F temperature rating mean the connector runs hot under continuous load?

The 221 °F figure is the maximum operating temperature of the polypropylene insulation, not the heat the connector itself generates; it simply shows the material limit.

What wire gauges and how many conductors can I combine in one 30-072 connector?

It accepts copper conductors from 22 AWG to 14 AWG, with a minimum of two 22 AWG wires and a maximum of three 16 AWG wires, up to five conductors total.

Will these blue connectors fit the older 14 AWG solid wire already in my junction boxes?

Yes, the 30-072 is rated for a maximum single wire size of 14 AWG, so it works with the solid copper you already have installed.

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