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The NSI Polaris Black ISR-250 is a dual-rated insulated in-line splice connector designed for quick, reliable connections of copper or aluminum wires ranging from 250 MCM to 6 AWG. Featuring ergonomic design, high-strength aluminum alloy construction, and UV-resistant insulation, it ensures corrosion protection and easy installation with just a hex key and torque wrench. Ideal for dry locations, it offers secure wire retention and debris protection with removable plugs, making it a trusted choice for professional contractors seeking efficiency and durability.
J**.
Exactly what I was looking for
Built in electrical isolation for a connection.
D**E
Shipped one not four.
I am sure the product is fine, however the listing states a package of 4, but only received 1. Hard to splice 3 wire pairs with only one fixture.
Trustpilot
5 days ago
2 days ago