Description
Simple, reliable protection for outdoor extension cords
HENG-WELL’s transparent waterproof junction box protects extension cord connections in gardens, on balconies, at events and on campsites — anywhere power needs to stay dry and secure.
See inside without opening
The clear polycarbonate housing lets you verify the plug connection and check for moisture instantly. No need to disconnect anything for a visual check.
IP55 weatherproof protection
Rated IP55, the box resists dust and low-pressure water spray — ideal for typical outdoor use including light rain, sprinklers and damp environments.
Quick-lock, tool-free, padlockable
Open and close in seconds with quick-lock clips. A padlock tab is provided so you can secure the box on job sites or public areas.
Fits standard cables
Works with cable diameters from 6.8mm to 9.5mm — compatible with common 10A/15A extension leads used across Australia and New Zealand.
Dimensions
252 x 92.55 x 64mm.
Trade-friendly for Australia and New Zealand
- HS 8536.90 classification (electrical junction box, up to 1000V)
- ChAFTA / NZCSFTA Certificate of Origin available — zero-duty eligibility
- GST claimable for registered AU/NZ importers
OEM / ODM welcome
Structure, logo, packaging and engineering customization available.
Pair it with Australian outdoor extension leads
For complete outdoor power protection, pair this waterproof junction box with our heavy-duty Australian extension leads:
- SAA Approved Heavy Duty 3 Pin Australia Power Plug Extension Cord
- Outdoor Industrial Heavy Duty 20M AU Extension Cord Reel
All AU extension leads carry SAA certification for the Australian market. Contact us for combined bulk pricing.





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