Cable Management Solutions
We stock a wide selection of high-quality cable accessories to support clean, secure, and professional installs. From metal trunking and conduit to clips, trays, and junction boxes, we’ve got the essential fixings for every job. Our range features trusted brands including Linian, Wiska, Walraven, Univolt, and Trench – all known for reliability on-site.
Whether you’re routing power through commercial units or wiring a new build, our cable accessories help keep your installs tidy, compliant, and long-lasting. Available for fast delivery or collection across our branches.
Founded in 1919, Wiska is a leading manufacturer of electrical installation materials worldwide, known for their cable glands which are used around the world and characterised by flexible applications in diverse areas of industry. Built for efficiency and reliability in even the toughest environments.
This July, kit out your installs with WISKA UK Ltd's trusted cable management solutions and be in with a chance to win!
Spend £50 (ex. VAT) on Wiska products throughout July to receive one entry into the draw. Spend more, earn more entries.
Prizes:
1st Prize: Bose Portable Speaker — perfect for garden hangs, BBQs, or even on-site use. (Worth £150)
Runner-Up Prize: Live Electrical IP65 150W Outdoor String Lights 10m - light up your summer evenings
The more you spend, the more entries you earn (max 10 entries) T&C's Apply.
🗓 Runs from July 1–31, 2025
Featured Products
The junction box of choice for electricians across the UK for over 20 years. Designed with the user in mind these clever boxes have become a must-have product.
COMBI 308
Features
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8 elastic self-sealing membranes for cable entry without mechanical devices
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8 integrated M20 threads, no locknuts necessary
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4 captive quick-release lid screws
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5 poles 4mm² terminals
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High protection class of IP66/67
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Built for extreme conditions: strong thermoplastic housing made from two separate plastic components.
Compression Gland with Locknut - GLP20
Offering IP65 protection and resistance to oils, grease and acids, our INDUBOXs are perfect for garages, swimming pools, out buildings, sheds, warehousing and more. INDUBOXs come complete with earth and neutral bar as well as blanks.
Features
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IP68 (5 bar 30 mins)/ IP69
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100% Polyamide
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Clamping cage offers superior strain relief and versatility
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Vibration proof
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Available in 4 colours (red, grey, white and black)
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No gasket
INDUBOX - Plastic Consumer Units
Offering IP65 protection and resistance to oils, grease and acids, our INDUBOXs are perfect for garages, swimming pools, out buildings, sheds, warehousing and more. INDUBOXs come complete with earth and neutral bar as well as blanks.
Features
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IP65, thermoplastic
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Cover Polycarbonate
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Temperature range -5°C - 85°C
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Glow wire test 650°C
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Resistant to grease, oil and acids
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Smoke grey window
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In accordance with EN 60439, complies with directive 2002/95/CE
OneGel - Junction Box Filler
Immediate use, no mixing or pouring ready to be used straight away. Ideal for when you need to save time and want an immediate pour in solution.
Features
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No expiry date
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Non toxic
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Good mechanical strength
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Re-usable after opening and can be re-entered.
Features
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Silicone Gel
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Non toxic
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Protection against rain, humidity, dust and intrusion
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Re-enterable
Twist lid to release activation gel into the rest of the bottle, shake the bottle for 15 seconds then pour.
MP One - Junction Box Filler
Part of the international Dietzel Univolt Group, Univolt is a global leader in PVC trunking, conduit, and cable containment systems. Known for innovation and quality, Univolt products are widely used across residential, commercial, and industrial projects.
Featured Products
Rigid Conduit Heavy Gauge, Plain ends, LSF
Premium quality heavy duty LSF rigid conduit available in 20 or 25mm diameter in black or white.
Features
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Lower Smoke Fume (PVC LSF) offers lower emissions than standard PVC hence LSF lies somewhere between that of PVC and LSF0H.
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Reduces smoke release by up to 65% in the first 4 minutes of a fire
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Lower smoke - increased flame retardancy.
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BSSH
Mini Trunking with Adhesive Backing (PVC-LSF)
Single compartment, with adhesive backing
MIKA
External Angle, White
Available in: 16/16, 16/25, 16/40, 25/40, 40/40, 40/60
(SAE)
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Internal Angle, White
Available in: 16/16, 16/25, 16/40, 25/40, 40/40, 40/60
(SIE)
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Circular Junction Box, Through 2 Way Box (HFT)
Circular box for surface installations with 2 mounting lugs (PVC-LSF). Available in 1, 2, 3, 4 Way, Angled and Tangent U Box
Features
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Low Smoke Fume Zero Halogen (LSF0H) conduits are not only characterised by the fire retardant performance but also by the halogen-free properties.
(CB)
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Dado Trunking with Round Corners
3 Compartment dado trunking is ideal for both power and data cabling and designed to suit any application. The new curved profile offers greater data capacity. (SLR)
Distribution and Outlet Box, Surface type, Rectangular (rounded edge)
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Available in White, Black and Red
SFR 1 - Single 32mm Surface Box Round Corner
SFR 2 - Twin 32mm Surface Box Round Corner
20/25mm Flexible Conduit Pack with 10 Glands/Lock
Available in Black and White (CFX20B, CFX25B / UNICON20W, UNICON25W)
SFR 1/44 - Single 44mm Surface Box Round Corner
Trench UK is a trusted British manufacturer specialising in metal trunking and cable tray systems. With decades of experience in the electrical industry, Trench is known for durable, high-quality solutions that meet the demands of modern cable management.
Featured Products
Duty Cable Tray
Trench offer a full range of Cable Tray in light duty, medium duty and heavy duty in pre-galvanised, post-galvanised, powder coated/painted and non-perforated options.
Supplied in 3m lengths as standard.
Features
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Manufactured to BS 61537: 2007
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Pre-Galvanised (MDT050TR)
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Available width in 50, 75, 100, 225, 300mm
Medium Duty Cable Tray (MDT050TR)
LA45E
External 45 Degree Bend
Trench offers Lighting External 45 Bends in both standard pre-galvanised and powder coated/painted options. Available in 50mm width and height
Trunking Lengths
Trench offers a full range of cable trunking in both single and multi compartment available in turnbuckle, screwfix, tamperproof, powder coated/painted and IP4X. Supplied in 3m lengths as standard.
ST22
Features
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Trunking: Manufactured to BS EN 50085-1:2005 and BS EN 50085-2-1-2006
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Available width in 50, 75, 100, 150mm
With over 75 years of global expertise, Walraven designs and manufactures fixings and support systems for professional installers. Their BritClip range is engineered to deliver quick, secure, and standards-compliant electrical fixings across all sectors.
Featured Products
Britclips ®
Market-leading range of fixings for electrical installations. Manufactured in the UK for over 35 years, the Walraven Britclips® range includes over 100 high quality fixings for multiple installation needs including beam clamps, beam clips, cable run clips, threaded rod clips, decking fixings, purlin hangers, acoustic ceiling clips and more.
BritClips Cable Run Clip
BritClips Cable Run Clip
BritClips One Hole Beam Clip
BritClips One Hole Beam Clip
BritClips Flange Cable Run Adaptor
Need help?
Contact us today by completing the form below to find the right cable management solution for your next project!
Promotion Terms and Conditions
1. Eligibility
• The promotion is open to customers purchasing any WISKA products between 01 July 2025 and 31 July 2025.
• Purchases must be made at any of the following 7 Core branches: Lincoln, Worksop, Sleaford, St. Neots, Melton, and Skegness.
• This promotion is not open to employees of 7 Core Electrical Ltd, their immediate family members, or anyone professionally connected to the promotion.
2. Entry Requirements
• To qualify for entry into the prize draw, customers must spend a minimum of £50.00 (ex. VAT) on WISKA products within the promotional period.
• Every qualifying spend of £50.00 (ex. VAT) counts as one entry into the draw.
• Multiple entries are allowed, with a maximum of 10 entries per customer.
3. The Prize
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One (1) winner across all 6 branches will receive one (1) Bose SoundLink Flex Portable Speaker (2nd Gen)
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One (1) Runner-up winner across all 6 branches will receive one (1) Live Electrical LST1 IP65 Outdoor Festoon Lights
• The prizes are non-transferable and cannot be exchanged for cash or any other monetary alternative.
4. Promotion Period
• The promotion begins at 7:30 AM on 01 July 2025 and ends at 5:30 PM on 31 July, 2025.
• Entries outside this period will not be considered.
5. Winner Selection and Announcement
• The winner will be selected at random from all qualifying entries.
• The draw will take place the week commencing the 11th of August, 2025.
• The winner will be announced on 7 Core’s social media platforms and contacted directly using the details provided during their purchase.
6. Claiming the Prize
• The winner must confirm acceptance of the prize within 7 days of being contacted.
• If the winner does not respond within 7 days, 7 Core Electrical Ltd reserves the right to select an alternative winner at random.
7. General Terms
• By entering the promotion, participants agree to these Terms and Conditions.
• The winner agrees to the use of their name and, if applicable, photographs for promotional purposes on 7 Core’s social media channels, website and other platforms.
• 7 Core Electrical Ltd reserves the right to amend or withdraw the promotion at any time without prior notice in the event of circumstances outside its reasonable control.
• 7 Core Electrical Ltd’s decision on any aspect of the promotion is final and binding.
8. Data Protection
• Personal information collected during this promotion will be used solely for the purposes of administering the promotion and in accordance with 7 Core Electrical Ltd’s privacy policy.
9. Contact Information
• For any questions or inquiries regarding the promotion, please contact your local branch or email marketing@7core.co.uk