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Newell offers four different classes of solid core, line post porcelain insulators. And, because each and every insulator is subjected to tough performance testing, PRIOR TO BEING SHIPPED, you can confidently specify Newell.

100% Puncture-Proof Solid Core

Solid core porcelain provides totally trouble-free electrical performance. The solid core design ensures 100% puncture-proof reliability throughout the insulator life.

Newell is the best source for performance proven, solid core porcelain Line Post Insulators.


Typically, insulators are supplied WITHOUT conductor clamps and mounting studs. All auxiliary hardware is available from Newell.

Line Post Insulators
Horizontal Clamp Top Gain Base
Typical Application Voltage (kV):
Leakage (in):
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HV Substation, T&D Porcelain & Glass Insulators

Finding an high voltage insulator with the right design, quality, and delivered on time can be tricky. Different high voltage applications require different insulation solutions and often different materials to optimize the application. Newell Insulators has the solution to your application. Let Newell do the heavy lifting for you with global engineering network, our products will fit your application. Whether application requires distribution line post insulators or upgrading entire power substation, our high voltage insulators get the job done. We also carry high voltage porcelain suspensions and toughened glass insulators for overhead transmission line applications. Don’t forget our line of distribution porcelain insulators which fill our product portfolio for distributors and utility blanket contracts. No matter the type of utility insulation requirement you’re facing, Newell’s products are reliable and delivered on time. Browse our high voltage porcelain and glass insulators today. Got questions? Contact us here for a speedy response. Thank you for choosing Newell!