Electrical Tools & Products
We have over 45 years of experience in the electrical industry. We know tools and products, apprentice and master, residential and industrial, and commercial and municipal. From products to services, NSI has you covered.
All Electrical Tools & Products
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Polaris SP250 250 Mcm Set Screw Plug
#SP250 -
Replacement Set Screw Plug for Connector, 3/0 AWG
#SP3/0 -
Polaris SP350 350 Mcm Set Screw Plug, Sold By The Piece
#SP350 -
Replacement Set Screw Plug for Connector, 4 AWG
#SP4 -
Replacement Set Screw Plug for Connector, 500 MCM
#SP500 -
Replacement Set Screw Plug for Connector, 600 MCM
#SP600 -
Replacement Set Screw Plug, Polaris Edge Connectors 600 MCM – 12 AWG
#SP600S -
Replacement Set Screw Plug for Connector, 750 MCM
#SP750 -
Service Post One Wire 12-8 AWG
#SPM-1L