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The BRAMEC 13812 is an 18 AWG stranded copper wire supplied on a 500-foot spool in blue insulation. Stranded construction makes the wire flexible and resistant to fatigue from repeated bending, which matters in control wiring runs where the cable must route through tight spaces or around cabinet edges. At 18 gauge, this wire is sized for low-voltage control circuits commonly found in HVAC thermostats, zone valves, and related system wiring. Electricians and HVAC technicians reach for this gauge when making field wiring runs between control boards, thermostats, and low-voltage accessories.
This wire is suited for residential and light commercial HVAC installations where a flexible, stranded low-voltage conductor is required. Typical applications include thermostat wire runs, control panel wiring, and general low-voltage hookup work in mechanical rooms, attic installations, and utility spaces. The blue jacket provides a clear visual identifier for color-coded wiring schemes, helping technicians trace circuits quickly during service calls.
Designed as a general-purpose 18 AWG stranded copper conductor suitable for low-voltage control wiring in residential and light commercial HVAC systems.
Installation should be performed by a licensed electrician or HVAC technician in accordance with applicable NEC requirements for low-voltage wiring. Power down the control circuit and confirm zero voltage before terminating or splicing conductors. Avoid routing low-voltage wire in the same conduit as line-voltage conductors unless proper separation methods are observed per code. Strip conductors carefully to avoid nicking strands, which can reduce current-carrying capacity and cause premature failures at terminal connections.
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