
Porcelain Electrical Stay Insulator
Description
Porcelain stay insulators—often called low-voltage or “egg” insulators—serve a dual purpose on overhead lines: they electrically isolate the stay wire and brace poles against tipping. Our insulator stay LV porcelain range is engineered to block stray currents on guy wires, ensuring reliable support for dead-end and terminal poles. Available as porcelain electrical stay insulators in classic white or porcelain stay insulators in blue glazes, they combine high dielectric strength with a visually distinctive finish.
How It Works
Each stay insulator features two precision-drilled holes. Guy grips thread through in opposite directions, wrapping firmly around the stay wire without slipping. This design accommodates regional connection methods—whether using Swedish-style armor rods or European-style rope grips—and can be customized to any drawing or specification you supply.
Voltage Ratings & Applications
- 11 kV Stay Insulator: Ideal for medium-voltage distribution networks, providing sturdy anchorage for crossarms and pole stays.
- 33 kV Stay Insulator: Built for higher-voltage circuits, these units maintain mechanical integrity under heavier tension.
As a leading porcelain stay insulators manufacturer, CECI offers end-to-end support—from selecting the right porcelain electrical stay insulator style to engineering bespoke fittings—so your stay wire assemblies stay secure and insulated for years to come.
Product Test Reports
All our products undergo rigorous mechanical, electrical, and environmental testing according to IEC standards. Below are examples of actual test reports from our laboratory and third-party certifications.
Our Factory
China Energy And Chemical Industry Co., Ltd — 16+ years OEM Transmission Insulator Manufacturer, IEC certified, supplying customers worldwide with polymer, porcelain, and glass insulators.




