When sourcing meter terminals, the primary focus should be on material conductivity and thermal stability. Ensure the terminals are made from high-grade brass or copper alloys with appropriate plating (such as tin or nickel) to prevent oxidation. For high-voltage applications, verify that the insulation materials meet UL 94V-0 flame retardancy standards. Additionally, check the torque strength of the screws to ensure they can withstand repeated tightening without stripping, which is critical for maintaining a secure electrical connection over time.