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Ten black insulated two-port wire connectors with slotted Allen hex screws and a hex wrench

Joinfworld 2 Port Insulated Multi Tap Connector 4-14AWG Black 10 Pack

SKU CH-WFNX-3Z39C

Pack of ten UL-listed two-port connectors joining 4-14 AWG copper or aluminium wires at 600 V, single-side entry with slotted hex screws and oxide inhibitor

  • Certifications and standardsUL Listed
  • Product colorBlack
  • UL Listed for 600 V gives code-compliant safety
  • Accepts 4-14 AWG copper or aluminium in one connector
  • Pre-filled oxide inhibitor boosts conductivity and durability
  • Slotted Allen hex with included wrench speeds installation
  • Ten connectors plus ferrules and wrench in one pack

2-Port Insulated Multi-Tap Connector 4-14AWG

This UL Listed connector joins two conductors from 4 to 14 AWG in a single-side entry body. It accepts copper-to-copper, aluminium-to-aluminium or copper-to-aluminium combinations. The black nylon and PVC insulation is UV resistant and rated from -49 to 194 °F. A pre-filled oxide inhibitor improves conductivity and long-term reliability.

Sustained 600V Load Behaviour

The solid aluminium terminal with high-dielectric coating maintains a stable joint at the full 600 V rating across the declared temperature range. Oxide inhibitor prevents resistance rise during continuous current flow. Slotted Allen hex screws secure each conductor without loosening under thermal cycling. Single-side entry keeps both wires aligned for consistent contact pressure.

Replaces Open Splices and Split Bolts

Electricians moving from tape-wrapped splices or split-bolt clamps gain faster installation and code-compliant insulation in one piece. The kit includes ten connectors, a hex wrench and ten E16-25 ferrules for immediate use. Not suited for runs requiring more than two conductors per block or for wire sizes outside the 4-14 AWG window.

How it compares

Measured against everything we stock in Wire Connectors & Cable Ties, at today’s prices. Recalculated every night.

Price $66.99
Pricier than about 89% of the 1,040 comparable items (median $13.99).

Specifications

Product
Product colorBlack
Environment & compliance
Certifications and standardsUL Listed

Questions about this item

How much heat does the connector withstand when current runs through it all day?

The connector is rated for a temperature range of -49 to 194°F, so it handles sustained heat within that window.

What wire gauges must I already have on hand for these connectors to work?

They accept solid or stranded copper or aluminium wire from 4 AWG down to 14 AWG per port.

Will these join the older aluminium branch wiring in my house to new copper leads?

Yes, the UL-listed connectors are designed for copper-to-copper, aluminium-to-aluminium, and copper-to-aluminium splices.

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