NSI is your source for seamless solutions. Need something fixed, taken care of, or shipped last-minute? We’re the responsive supplier who says yes because we only succeed when you succeed. We carry trusted brands like Polaris that your customers know and ask for by name, helping you meet their needs and maximize your profits.

Polaris Compression Connectors are the professional solution for streamlining electrical installations and ensuring optimal performance inside panels, enclosures and other confined spaces.

  • Permanent connections
  • Vibration-resistant
  • Low contact resistance
  • No special tools 

Aluminum & Copper Lugs

Terminate with confidence using Polaris lugs. Suitable for a wide range of applications, including power distribution, grounding and data transmission, the  innovative design features of our Compression Connectors don’t just make connections faster—they also make connections better. Each connector is clearly color-coded and can be affixed with any standard crimp tool.


Aluminum & Copper Splices

Splicing conductors are the professional's choice for making quick in-line connections and repairing damaged wiring. We carry the full line of aluminum and copper splice connectors for bonding solid or fine stranded wires in UL-listed, reliable connections in harsh environments.  

Flexible Tap Connectors

Polaris created the industry’s original pre-insulated connector. Now, we bring that same standard of innovation to the compression category, where pros rely on our connectors for their reliability and ease of use. We offer a complete range for any application, from power distribution to data centers, including tap connectors with adjustable spacers.



Full Range of Pin Terminals

Connect wires to terminal blocks using these effortless pin terminals, designed to bond onto set screws and make contact with a conductor wire. Simply connect your wire to the pin terminal, then insert the pin into a terminal block or other electrical component. 

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Download the Polaris Compression Product Sheets

POL_AL-CU_CMP_Merchandiser 1 (1)

Free Display Offer

For a limited time, any order of $2000 or more qualifies you for a free customizable merchandiser display! These displays help you attract customers and sell more, fast! Our merchandisers have...

  • Eye-catching graphics 
  • Proven planograms
  • Clear branding
  • Easy re-stock ordering

Conversion Support

Ask us about our high-value Conversion Support Programs to help drive brand awareness and increase sales for Polaris brand products! Our conversion programs enable distributors to stock compression alongside other great products from NSI. Experience top customer service and sales support from a partner that truly cares about your success. This program includes marketing and sample materials like catalogs, cross-references, merch, counter mats and banners to inform your customers about the advantages of installing Polaris Compression.