Need to find that perfect NSI product to replace ehat you have been using? Our cross-reference tool can assist you in searching by a part number to find that product.


NSi Technical Library Technical Library
Find the information you need right now. Enter a product number or select a product from the dropdown menus.


Technical Support
Contact our team of technical specialists to answer product questions, give you more information or to help you through an installation.

TORK® Technical Support Phone: 

Retail Customer Service Phone: 


NSi CatalogsCatalogs
We offer a full catalog for pdf download* and a web/mobile friendly eCatalog version.

NSi Product Catalog PDF Full (55mb)
   • Electrical Section PDF (34mb)
TORK® Section PDF (27mb)
Lighting Section PDF (5mb)

eCatalog - INTERACTIVE! Web/Mobile Friendly


Mobile Documents
Mobile Documents Site, to quickly find specification information on our products and more.

Mobile Documents


Quick informational and how to videos on wiring, programming, setup and operation of our most popular Electrical and  TORK® products.

NSi YouTube Channel
tED Magazine TV


*To download a pdf you my need to right click on the link and choose "download linked file as" or "save target as" and then choose your download location.