NEMA - National Electrical Manufacturers Association
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NEMA C29.14A-2019
Scope
This standard covers composite guy (strain) type insulators made of a fiberglass-reinforced resin matrix core@ an ultra-violet light-resistant polymer material rod cover@ and metal end fittings intended for use on overhead lines for electric power systems to insulate or isolate guy wires for corrosion protection@ increased insulation levels@ or clearance for maintenance and normal operation. Strain type insulators with other ultra-violet light-resistant coatings such as painted or veiled fiberglass-reinforced core rods are covered in NEMA Standard C29.14B.
NEMA C29.14A-2019 history
2019NEMA C29.14A-2019 Composite Insulators Guy (Strain) Insulator Type (Ultra-Violet Light Resistant Polymer Material Covered Rod Type)