NSI ISR-500 Polaris™ ISR In-Line Splicer/Reducer, 4 AWG to 500 kcmil Aluminum/Copper Conductor, Plastisol

Choose Polaris for heavy duty, secure connections in a range of applications. And when it comes to motors, reach for Polaris Grey for fine stranded and flex copper connections. Polaris Blue is the contractor's choice. Polaris insulated connectors are cULus listed, abrasion-resistant and come as multiport, stacked, or custom-made for your application. See why the original really is the best. Save time, save labor, and increase profit with Polaris.