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The ECM INDUSTRIES LLC 21-1055 is a 7-pack of insulated, solderless ring terminals designed for secure, vibration-resistant electrical connections in field wiring and equipment termination work. Each terminal accepts 16-14 AWG wire and fits stud sizes ranging from 5/16 to 3/8 inch, making it a practical choice for a range of electrical panel, control board, and equipment wiring tasks. The insulated barrel provides protection against accidental shorts during and after installation. Electricians and HVAC technicians reach for these terminals when making clean, reliable connections without the need for soldering equipment.
These ring terminals are suited for residential and light commercial electrical work, including HVAC control wiring, panel connections, and general equipment service. The 5/16 to 3/8 inch stud compatibility covers common bolt and screw terminal sizes found on contactors, disconnect blocks, and grounding points. The resealable clamshell packaging keeps unused terminals organized and protected between service calls, which is useful for technicians stocking their service vehicles.
Designed as a general-purpose solderless ring terminal for use with 16-14 AWG wire on 5/16 to 3/8 inch studs in standard electrical and HVAC control wiring applications.
Installation should be performed by a qualified electrician or licensed HVAC technician in accordance with NEC requirements. De-energize the circuit completely before terminating or disturbing any wiring. Use a calibrated wire crimping tool sized for 16-14 AWG terminals to ensure a secure mechanical and electrical connection. Do not over-strip wire insulation, and confirm the terminal is seated fully on the stud before torquing the fastener.
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