![Porcelain Bobbin Insulator [EI-BPFL]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Porcelain-Bobbin-Insulator.jpg)
![Round Bar Insulator White [EI-BRBW]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Round-Bar-Insulator-White-500x500.jpg)
![Round Bar Insulator Black [EI-BRBB]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Round-Bar-Insulator-Black-500x500.jpg)
![Ultra Hardened Strain Insulator White [EI-STW/R/H]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Ultra-Hardened-Strain-Insulator-White-500x500.jpg)
![Jumbo Strain Insulator Black [EI-STB/J]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Strain-Insulator-500x500.jpg)
Description
The Porcelain Bobbin Insulator is used on the intermediate posts as well as the offset brackets. These insulators are made of porcelain and can withstand high temperatures for a prolonged period of time.
Features:
- Used on intermediate posts and offset brackets
- Fireproof and long lasting
- Large design to reduce power loss and arcing
- Suitable for long runs and can withstand high tension
![Shield Insulator Black [EI-SI]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Shield-Insulator-Black-500x500.jpg)
![Y Standard Insulator White [EI-YW]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Y-Standard-Insulator-White-500x500.jpg)
![Flat Bar Insulator Black [EI-FSB]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Flat-Bar-Insulator-Black-500x500.jpg)
![Jumbo Strain Insulator White [EI-STW/J]](https://securitywholesale.co.za/wp-content/uploads/2025/05/Jumbo-Strain-Insulator-White-500x500.jpg)