CMC AB-500-1 Aluminum Mechanical Lugs

The CMC AB-500-1 Aluminum Mechanical Lug is a single-conductor, 1-hole termination fabricated from aluminum and designed to provide a compact, mechanically clamped connection in electrical terminations where weight savings and corrosion resistance are advantageous. The listing for this lug identifies the part as AB-500-1 and includes the designation CU9AL 500MCM-4, which helps match it to related components in the CMC mechanical lug family and to installation documentation that uses those codes. Designed for aluminum conductors, the AB-500-1 offers a compact, lightweight termination option with a single mounting hole, enabling quick field assembly in tight spaces without compromising mechanical integrity. Use of this lug requires adherence to applicable electrical codes and manufacturer guidance to ensure proper fit and reliable performance within your system. Because the available data for this part note the CU9AL 500MCM-4 designation, verify that the conductor size and enclosure compatibility match your installation requirements before ordering.