
Collingwood JB6 Inline IP68 Gel Filled Cable Connector

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A Permanent Seal For Outdoor Cable Joins
The JB6 is a small inline connector for joining two cable ends together outdoors, with the join filled with gel to keep water out for good, to an IP68 rating. It's a neater, more lasting way to join outdoor lighting cable than tape or a wrapped bag ever will be.
Built Around a Single Sealed Terminal Block
The JB6 is made from black plastic and built around a single terminal block secured by one screw. Cable strips down, seats in the block, and the housing closes back over it with gel filling the space around the joint. No cable is supplied with the connector, so you'll need your own to run into either side.
How It Works
Open the housing, strip both cable ends and seat them in the terminal block, then close the screw back down. Once shut, the gel inside surrounds the connection completely, sealing it against water to an IP68 rating, which covers protection from dust and from continuous submersion.
Where It Works Best
Use the JB6 to extend runs of Collingwood's WCR275 cable, the cable used across a lot of the brand's ground light and spike light ranges. It lets you add length between a fitting and its power source without leaving an exposed joint buried in soil or set into a wall, so it suits underground runs, planted borders and any spot where a joint will sit permanently wet.
About Collingwood Lighting
Collingwood Lighting designs and manufactures its LED products from Sywell in Northamptonshire, and has specialised in LED technology since 2002. The brand says it was among the first to bring fully waterproof, sealed for life LED products to the UK electrical wholesale market, a claim that suits a connector whose entire job is staying sealed underground for good. Collingwood has also been awarded a Gold medal by EcoVadis, placing it in the top 5% of companies assessed globally for sustainability.
Good to Know
- Rated IP68, sealed against dust and continuous submersion, so it suits underground and permanently wet outdoor locations.
- Made from plastic and covered by a 1 year warranty.
- Designed for Collingwood's WCR275 cable, used across many of its ground light and spike light ranges.
- No cable is supplied with the connector, so you'll need your own to run into each side.
- As with any outdoor electrical connection, Moonlight Design recommends installation by a registered NICEIC electrician.
Questions People Ask
What cable does the JB6 work with?
It's designed for Collingwood's WCR275 cable, which is used across a lot of the brand's ground light and spike light ranges.
Is the JB6 sealed well enough to bury underground?
Yes. It's rated IP68, meaning it's sealed against dust and continuous submersion once the gel fill has set inside the housing.
Does the JB6 come with any cable included?
No. The connector is supplied on its own, so you'll need your own cable to run into either side of it.
How does the JB6 actually seal the joint?
The housing closes over a single terminal block, and the gel inside fills the space around the connection, sealing it from water ingress.
We offer free standard delivery on orders within the UK Mainland* (an additional fee applies for the Isle of Wight, the Isle of Man, the Scottish Isles, parts of Scotland, Northern Ireland, the Republic of Ireland, the Channel Isles and International).
*Collingwood orders under £150 incur a delivery fee of £9.95 inc. VAT.
*Any order under £49 incurs a delivery fee of £9.95.

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