JavaScript is disabled in your browser. This site requires JavaScript for shopping and account features. Please enable JavaScript in your browser settings and reload the page.

Shop Products
Shop All
Need Help Selecting a Product?
Industries
Commercial
Efficient electrical, MRO and wireless solutions for retail and office spaces
Construction
Boost productivity with expert support and solutions in power, lighting and datacomm
Education
Helping schools stay safe, connected and energy efficient
Government
Compliant, cost-effective solutions for federal, state and local government facilities
Healthcare
Critical infrastructure for safe, efficient and connected care environments
Industrial
Supporting manufacturers with essential MRO and automation & control products
All Industries
Solutions
Automation and Control
Improve efficiency and productivity with intelligent automation solutions
Broadband
Deliver high-speed connectivity with reliable infrastructure
Connected Buildings
Integrate smart technologies for optimized building performance
Data Centers
Critical infrastructure for secure, scalable and efficient data centers
Electrical Safety
Ensure compliance and protection with PPE
Lighting
Enhance with LED lighting for safety, productivity and aesthetics
MRO and Safety
Essential supplies to keep operations running smoothly and safely
Power Distribution
Deliver reliable electrical power for critical applications
Renewables
Sustainable power including solar, EV charging and energy storage
Security
Protect with surveillance, access control and intrusion detection systems
Wireless
Extend seamless communication with wireless infrastructure
All Solutions
Services
Consultative
Our specialists consult, train and enable your teams to get up and running fast.
Digital
Data-driven tools and digital platforms that streamline purchasing and operations
Emergency
Keep essential systems running during outages or disasters
Financing
Upgrades are affordable with flexible financing options
Jobsite
Best-in-class services to maximize your installers' efficiency on the jobsite
Logistics
Optimize your supply chain with delivery and warehousing services
Strategic Accounts
Dedicated support and custom solutions for large-scale customers
All Services
Brands
Resource Hub
Company
About Us
This is the menu text
Careers
Contact Us
The Graybar team is ready to help you with
Legal

NSI Industries

NSI knows what it takes to make it in the electrical industry, and they are growing and innovating every day to make it happen for both you and for them. NSI has been helping electrical contractors get tough jobs done since 1975. With professionally-preferred products that are innovative and respected, you can count on in the field, they are the partner you need to be successful. NSI includes the TORK® brand of mechanical and digital time switches, photocontrols and occupancy sensors. NSI also developed the Polaris™ pre-insulated connector.

Brands of NSI

NSI Industries

Brands of NSI

Filter By

All Products