Ilsco® Snapbloc® Modular Connectors simplify stocking. Combine any number of blocks with multiple conductor ranges in the specific configuration for the job. Individual blocks are supplied in a variety of configurations with one or two main cable ports and 4, 6, or 12 taps. All are range taking. Easy to assemble—unique locking feature allows individual blocks to be combined quickly without special tools. Clear cover permits visual inspection. Suitable for use with either copper or aluminum conductors. UL recognized 90°0C 600 volts, CSA certified.