This ILSCO® Type TA Mechanical Terminal Lug is designed for reliable and easy installation with both copper and aluminum conductors. Manufactured from high-strength 6061-T6 aluminum alloy and electro-tin plated, it provides low contact resistance and ensures dependable performance. Its I-beam construction reduces material content while maintaining high performance standards, making it a robust solution for wire termination.The ILSCO® TA-500-I is a dual-rated mechanical terminal lug suitable for stranded copper conductors ranging from 4 AWG to 500 kcmil. It features a 3/8 inch stud size and one bolt hole. Constructed from high-strength 6061-T6 aluminum alloy, it is electro-tin plated for corrosion resistance and offers a temperature rating of 90 degrees Celsius. The lug has a tongue size of 1-19/32 inches and a straight tongue type. Its dimensions are 2.375 inches in length and 1.2 inches in height, with a mounting hole diameter of 0.406 inches. It is UL listed and CSA certified.