• TORK LED Rated WOS Series
  • NSi Industries Polaris Parallel Rated
  • Polaris EDGE
  • TORK LED Rated EWZ Series
  • MakingConnections

Why NSi? With industry leading service and a 99% same day ship rate, our contractor-preferred brands can be relied upon to arrive at your local distributor on time. NSi's line of electrical products and our knowledgeable Tech Team covers the needs of contractors every day. And with industry leading brands such as Polaris™, TORK®, Easy-Twist™ and Easy-Wrap™, NSi products offer quality solutions to contractors and electricians.
Why NSi? Let Us Clarify...

Polaris™
The Original Pre-Insulated Connector 

NSi Industries PolarisPre-Insulated Connectors have created another “Industry First” by providing a UL Listed 486A/B connector with code compliant and UL Listed maximum ampacity for copper and aluminum parallel conductors. PolarisParallel Rated Connectors provide safety and NEC compliance when installing parallel runs. See more...

NSi Video

Informational and how-to videos for our most popular products, visit our YouTube channel.