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BT66B Telephone Cable Connection Box External Enclosure - BT66 B Grey Outside Joint Box

The BT66b as used by BT for many years is a weatherproof outdoor connection box for joining telephone cables externally. With multiple cable entry points this BT66b is the installer's choice for the connection of various outdoor cables.

Used for the connection of telephone cable externally

  • BT66b is used externally as an enclosure for 8A, 8B, UY2 and all similar Gel filled crimps
  • 3 cable entry points with slide on lid and locating screw. Max Cable Diameter 12mm
  • Supplied with 3 cable clamps and fixing screws
  • Made from grey UV stabilized ABS. Dimensions = 125x90x42mm
  • Waterproof externally rated junction box
  • As used and approved by BT Openreach


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Here at BCE Direct we can offer bulk order discounts. Simply complete the form below and we'll get back to you as soon as we can with a tailored quote. We hold high quantities of the products we have on the website and can offer next day delivery on almost every single item. We can provide very competitive pricing so please feel free to get in touch. There are no minimum order quantities so even if you need a price on 5 items, we're sure we can do something to help. 


Please feel free to give us a call on 01761 452997

Alternatively, please use the form below.


Standard Delivery:

Standard Delivery Starting from Just £0.89*

Express Shipping:

Royal Mail 24 (1-2 Days Delivery) This option is available on most small items and starts from £2.99*

Next Day:

Next day delivery is available on all of our items, only £7.99* We generally use APC for these or Royal Mail Tracked 24 for smaller items

International Delivery:

From £9.49* most items will be sent via Royal Mail fully Tracked, heavier items will be sent using the most cost effective services.


Bristol Communications and Electrical ltd accept returns on all items within 14 days. If there is no fault with the product, the buyer must pay the return postage costs, of which are non-refundable.

If we deem the items returned to be in an unsatisfactory condition we reserve the right to charge up to 40% of the final selling price. This cost will be decided upon receipt of goods. Within this percentage will be the costs to repair/refurbish/repackage items.

Items that are being returned due to buyer error will be refunded MINUS postage costs. Postage costs are set within many of our overall prices, postage costs will be deducted from final refund amounts.

If there was an error on our side, for example incorrect or damaged items we will except all responsibility for postage costs and a full refund will be given.

Please note: You have the right to cancel within 14 days of delivery, if this deadline has passed we will not accept the return request.


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