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The ABB INSTALLATION PRODUCTS 18ra-6 is a vinyl-insulated ring terminal designed for reliable, permanent electrical connections in control wiring, panel wiring, and general electrical assembly work. Built from copper with a tin-plated finish, this terminal accepts 22-18 AWG wire and fits a No. 6 bolt hole. The PVC insulation sleeve runs extra length to protect the wire at the flex point and relieve bending stress. The brazed seam barrel is serrated internally to deliver a high pull-out value once the terminal is crimped. Rated at 600 volts, the 18ra-6 is suitable for a wide range of low-voltage and control-circuit termination tasks. Electricians and panel builders install these terminals during wiring harness assembly, control panel builds, and field service work.
The 18ra-6 is used in residential and commercial electrical applications where consistent, insulated ring-tongue terminations are required on small-gauge conductors. Typical installations include motor control centers, junction boxes, terminal strips, and instrument panels where a secure, vibration-resistant ring connection to a No. 6 screw or stud is needed. The red color coding follows the standard industry convention for 22-18 AWG wire range terminals, making polarity and wire-gauge identification fast during assembly and inspection. The self-insulating PVC sleeve eliminates the need for separate heat-shrink or tape application over the barrel.
Designed as an OEM-style replacement ring terminal for use with 22-18 AWG copper conductors and No. 6 mounting hardware in standard electrical termination applications.
Install using a ratchet-style or T-head crimping tool rated for insulated ring terminals in the 22-18 AWG range; improper tools can split the PVC sleeve or produce an inadequate crimp. De-energize and lock out the circuit before terminating any conductors, per NEC lockout-tagout requirements. Do not solder after crimping — the serrated barrel is engineered for compression termination only, and solder can create a rigid stress point that defeats the flex-relief design of the sleeve. Inspect the finished crimp for full barrel engagement and sleeve integrity before reconnecting power.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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