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The CODA RESOURCES tp-wnb is a blue twist-on wire connector sold in a package of 100. Wire connectors of this type mechanically join and insulate two or more conductors by threading the wires together inside a threaded plastic cap. They are a standard consumable in electrical rough-in and service work across residential, commercial, and light industrial applications. Electricians, HVAC technicians, and plumbers working on low-voltage controls reach for these constantly during panel work, fixture wiring, and control circuit connections. The blue color coding indicates a specific conductor gauge range, allowing technicians to quickly select the correct connector size on the job.
Blue wire connectors are commonly used in residential and light commercial electrical wiring where the conductor combinations fall within the mid-range wire gauge capacity typical of this color category. They are well suited for device, fixture, and low-voltage control wiring encountered in HVAC systems, appliance hookups, and general branch circuit work. The 100-count jar format supports high-volume service work and keeps inventory stocked on a service truck or in a shop supply bin.
Designed as a standard twist-on wire connector suitable for typical residential and light commercial electrical wiring applications within the conductor gauge range indicated by the blue color designation.
Wire connectors must be installed by a qualified electrician or licensed trade professional in accordance with NEC requirements for the circuit type and location. Always de-energize and lock out the circuit before making or inspecting any wire connections. Strip conductors to the length specified for the connector size, twist the wires together, and thread the cap clockwise until secure with no bare conductor exposed below the shell. Do not overtighten to the point of cracking the cap.
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