The Mencom MAC-5MR-2-18 Micro AC (1/2-20) male straight receptacle features a 5 Pin insert, 18 AWG wire, 12" lead length and 1/2" NPT mounting thread. The shell is clear anodized aluminum with gold plated copper alloy contacts. Wire is rated at 300V. Rated IP 69. Operating temperature -40 C to 105 C (-40 F to 221 F). Mencom MAC receptacles have 1/2-20 coupling thread and a dual C-coded keyway. They are comparable to the MDC M12 receptacles, however they do have a different wiring color code.