polyethylene insulators, molded accessories, hendrix insulators, fire retardant insulators

Clamp-Top Line Post

Durable, lightweight line-post support engineered for bare conductors and demanding distribution applications.

Proven Performance. Trusted Reliability.

We pioneered HDPE distribution insulators nearly six decades. Today, utilities around the world trust our polymer insulators for lightweight construction, exceptional durability, and dependable performance across demanding overhead distribution systems.

Lightweight

Lightweight Construction

Up to 90% lighter than porcelain for easier handling, safer installations, and improved crew productivity.

Usa

Made in the USA

Manufactured domestically and compliant with Buy America Build America (BABA) requirements.

Impact Res

Impact-Resistant Design

HDPE construction resists cracking, chipping, and brittle failure for dependable performance in demanding environments.

Field Proven

Field-Proven Since 1965

Trusted by utilities worldwide for nearly six decades of reliable overhead distribution performance.

Built for Versatile Distribution

Secure conductor support across vertical and horizontal configurations.

Clamp-Top Line-Post Insulators provide reliable support for bare conductors in new construction and retrofit applications. The universal clamp design simplifies installation and inventory while offering a durable replacement for porcelain and composite post insulators.

Designed for the Field
  • Supports vertical and horizontal line configurations
  • Universal clamp design reduces SKU complexity
  • Direct replacement for porcelain and composite post insulators
  • Lightweight polyethylene construction for easier handling
  • Exceeds ANSI electrical and mechanical requirements
  • Resists impact damage, chipping, breakage, and vandalism

VIEW SPEC SHEETS

Compare to Other Insulator Designs

Tie Top Pin

  • Compatible with Covered or Bare conductors
  • Durable – Impact Resistant
  • Light Weight – UV Stabilized Polyethylene
  • Safer – Shatter proof design

Trunnion Line Post

  • Compatible with Bare conductors
  • Durable – Impact Resistant
  • Light Weight – UV Stabilized Polyethylene
  • Exceeds ANSI electrical and mechanical requirements

Vise Top Line Post

  • Compatible with Covered or Bare conductors
  • Proper & Consistent Gripping Strength
  • SKU Reduction -No Need for Tie Wire
  • Durable – Impact Resistant
  • Light Weight – UV Stabilized Polyethylene

Clamp-Top Line Post Insulator Spec Sheets

Part Number
Voltage
Weight (lbs)
ANSI Class
Stud Size (in)
Spec Sheet
HPI-CLP-15
25kV
11.4
57-11 & 21 / 51-12 & 22
3/4 -UNC 10
HPI-CLP-17
35kV
12.7
57-12 & 22 / 51-13 & 23
3/4 -UNC 10
HPI-CLP-20
46kV
14
57-13 & 23 / 51-14 & 24
3/4 -UNC 10
HPI-CLP-25
69kV
15.75
57-14 & 24 / 51-15 & 25
3/4 -UNC 10
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We’re Everywhere You’re Working

Easy to work with. The support you need. A team that’s on your side. We can’t wait to work with you.

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