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Spool Insulators


Spool Insulator

Hendrix HPI-53-2 Spool Insulators meet and surpass ANSI C29.3, Class 53-2 requirements for 3” Spool Insulators. HPI spool insulators are used mainly to insulate & support the secondary conductors at the pole. Spool insulators are mounted to the pole using various clevis configurations and are compatible with all manufacturer’s hardware designs. The HPI-53-2 exceeds the 13.3kN (2990 lbf) Transverse Strength requirement of ANSI C29.3 and has a NESC allowable design strength rating of 75% (2242 lbf).


• Resistant to all breaking, chipping, cracking and vandalism
• Lightweight at just 7oz.
• Direct replacement for porcelain
• RUS accepted
• Made in the USA

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Catalog Number
ANSI Class
Neck Size Length Width 
3" Spool Insulator 53-2  11/16" R 3"   3-1/8"

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