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Porcelain Insulators
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NGK-Locke, Inc.
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NGK-Locke, Inc.

NGK-Locke, Inc., is the exclusive sales company for various types of high-voltage insulators in the United States. We are one of the few companies who can offer both porcelain and polymer products. All of the products that we offer to our customers are produced by NGK’s global production network of ISO 9001-certified factories, including U.S., Indonesia, China and Japan.


Porcelain Insulator
Polymer Insulator

Specific information on our product lines:
• Station Post Insulators
• Suspension Insulators
• Distribution Line Post Insulators
• Pin Type Insulators

Dependable quality and world scale supplier of silicone polymer insulators.
Learn more…

 



Current News
• Sep 1, 2008
Energy Surcharge for Station Post Insulators


• Jun 1, 2008
Energy Surcharge for Station Post Insulators


• Mar 1, 2008
Energy Surcharge for Station Post Insulators


• Dec 1, 2007
Energy Surcharge for Station Post Insulators


• Sep 1, 2007
Energy Surcharge for Station Post Insulators


• Jun 1, 2007
Energy Surcharge for Station Post Insulators


• Mar 1, 2007
Energy Surcharge for Station Post Insulators


• Dec 1, 2006
Energy Surcharge for Station Post Insulators


• Sep 1, 2006
Energy Surcharge for Station Post Insulators


• Jun 1, 2006
Notice of Energy Surcharge Rate Review and Reduction

• Mar 1, 2006
Notice of Energy Surcharge Rate Review

• Dec 1, 2005
Notice of Energy Surcharge Rate Review

• Sep 29, 2005
Notice of Energy Surcharge Effective on October 1, 2005 

Technical Information
• Semiconducting Glazed Station Post Insulators: Why the Conductivity Tolerance Does Matter
• NGK 115 kV & 138 kV Corona Ring Statement


Locke Quality Policy: Continual improvement in product quality, delivery and service to increase customer satisfaction.