Junction box RAYTECH JOULE IP68 gel-filled connector enclosure for electrical cable connections

RAYTECH JOULE is a gel-filled junction box designed to protect electrical cable connections in both indoor and outdoor environments. The enclosure provides an IP68-rated barrier against water and dust, using a silicone-like gel to fully encapsulate splices and terminals, insulating conductors and minimising the risk of corrosion. The compact, self-contained design supports permanent or temporary installation where reliable protection of cable joints is required.

Advantages

The gel-filled interior creates a continuous, conformal insulation layer around cables and connectors, eliminating air gaps and reducing the potential for moisture ingress and galvanic corrosion. The IP68 sealing ensures long-term resistance to immersion and dust penetration, while the enclosure’s simple assembly allows for quick installation without special tooling. Its neutral, non-hardening gel permits re-entry for inspection or modification of the joint when needed.

Suitable for

• Sealing and protecting splices in power and control cables
• Outdoor cable joints exposed to rain, flooding, or high humidity
• Indoor connections in damp or dusty environments
• Temporary repairs and permanent installations requiring corrosion protection

Key specifications

• Protection rating: IP68 for dust-tight and continuous immersion resistance
• Internal medium: silicone-like dielectric gel for insulation and corrosion protection
• Suitable for a range of cable diameters and conductor sizes (refer to product fitment details)
• Re-enterable design allowing inspection and rework without damaging the sealant
• Compact, self-contained enclosure for splice encapsulation

How to use

Prepare the cable ends by stripping insulation to the required length and assemble the splice or connector in accordance with electrical standards. Insert the completed joint into the junction box cavity and position cables through the entry points. Close the enclosure so the gel fully encapsulates the splice; ensure cables are arranged to avoid strain on the joint. For outdoor installations, verify that the sealing interfaces are properly mated to maintain the IP68 protection level. Re-entry is possible by opening the enclosure and repositioning or replacing components as needed, then reseating the gel and closing the box.

Usage recommendations

Use the junction box on applications where moisture exclusion and corrosion prevention are required. Verify compatibility with cable types and conductor sizes before installation, follow local electrical codes for splicing and insulation, and, when used outdoors, provide appropriate mechanical protection against impact and UV exposure if the enclosure will be directly exposed to sunlight.