The 55A0111-18-0 is a lightweight, 600V single-wall equipment wire designed for use inside equipment and protected harnesses. It is constructed from a 19-strand, 18 AWG tin-plated copper conductor and insulated with a nominal 0.15 mm wall of modified radiation cross-linked ETFE polymer. This wire is rated for operation up to 150°C and complies with MIL-SPEC M22759/32. Its combination of a small 1.52 mm outer diameter, excellent chemical resistance, and solder iron resistance makes it a reliable choice for high-density wiring in aerospace and electronic applications.