The 850X is a 2-conductor 0.101-inch Micro Plug with solder lug terminal and a black anodized aluminium handle. It has nickel-plated brass body, tin-plated brass clamp and moulded thermoplastic insulation. It mates with Micro-Jax? phone jack, which can be wired for open or closed circuit operation. Internally keyed insulators interlock all parts and jack tip springs grip mating plugs positively.
