The Engineering Home UPVC circular junction box extension ring is a premium accessory designed to extend the depth of standard junction boxes by 20mm. Crafted from high-grade, fire-retardant UPVC, this component ensures a secure and durable fit for your electrical installations, meeting strict industry safety standards for residential and commercial projects.

• Provides an additional 20mm of internal space for easier cable management and wire termination.
• Constructed from high-quality, impact-resistant UPVC material for long-term durability.
• Manufactured by Engineering Home for Electrical Industries, a trusted name in reliable electrical infrastructure.
• Designed for seamless compatibility with standard circular electrical junction boxes.
• Flame-retardant properties ensure enhanced safety and compliance with building electrical codes.
• Precision-engineered design ensures a tight, secure fit that protects internal wiring from dust and moisture.