
D-Line CP3015B 30x15mm 1/2 Round Black Connector
CP3015B
D-Line CP3015B Connector – 30x15mm Half-Round, Black Finish for Seamless Trunking Joins
The D-Line CP3015B Connector is designed to join two lengths of 30x15mm mini trunking, providing a continuous, professional finish across surface cable installations. With a clip-over design and curved profile, it ensures consistency and ease across every run.
- Inline Trunking Join: Enables tidy and secure connection of two trunking lengths for uninterrupted cable routing.
- Half-Round Profile Match: Designed specifically for D-Line 30x15mm curved trunking to maintain a uniform aesthetic.
- Clip-Over Design: Push-fit application for fast, tool-free installation with no adhesive required.
- Black Finish: Provides a smart, modern look that blends well with dark walls or stands out in contrast.
- Accessory System Compatible: Part of the D-Line smooth-fit accessory range for complete, cohesive installations.
Technical Specification
- Type: Connector Accessory
- Trunking Compatibility: 30x15mm D-Line Half-Round
- Profile: Half-Round (D-shaped)
- Colour: Black
- Material: PVC, Clip-Over Fit
✅ Join trunking lengths effortlessly with the D-Line CP3015B – ideal for achieving a clean, continuous cable installation!

Trunking Dimensions | 30x15 mm |
Product | Mini Trunking Coupler |
Type | External |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.