IEC terminal blocks have been tested to meet the specifications and requirements of applicable UL, CSA, and IEC standards and are rated for Code 1, factory wiring only, and Code 2, both factory and field wiring. Screw clamp is available 20 A to 232 A, and spring clamp 20 A to 50 A. Miniature panel mount is available 20 A to 35 A, in both spring and screw clamp. Up to eight different colored terminal blocks are offered for easy circuit identification.