Aluminum Neutral Bars for Grounding or Neutral Terminations in Panels and Control Systems. Aluminum Ground/Neutral Bars are Made from 6061-T6 Tin Plated Aluminum. Aluminum Ground/Neutral Bars are AL9CU Dual rated for Copper and Aluminum Conductors. Aluminum Ground/Neutral Bars are Range Taking. Available from 2 to 190 Circuit Configurations. 600 Volt. cULus Listed.