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6491X (H07V-R & H07V-U) Cable

6491X (H07V-R & H07V-U) Cable Click here to view the cable arrow-no-circles.png

Applications Overview

The 6491X cable is a single core low voltage insulated cable manufactured in accordance with BS EN 50525-2-31 (previously BS6004). It is available as a Class 2 stranded copper conductor (harmonisation code: H07V-R) or Class 1 solid copper conductor (harmonisation code H07V-U). Both types are suitable for power and lighting circuits and general building wiring. 6491X cable is intended for use in closed installation ducts, and in embedded or semi-flush exposed conduits. It is designed to be easily drawn into conduit and trunking, and it is ideal for the internal wiring of appliances in an enclosed and protected environment or as an earthing cable (green/yellow).

This cable has a voltage rating of 450/750V and an operating temperature range of -15oC to +70oC.

6491X cable - H07V-R / H07V-U

6491X / H07V-R / H07V-U cable construction

Conductor H07V-R: Class 2 stranded plain annealed copper conductor to BS EN 60228 (formerly BS6360)

H07V-U: Class 1 solid copper conductor to BS EN 60228 (formerly BS6360)
Insulation Polyvinyl Chloride (PVC) Type TI1 according to BS EN 50363 and flame retardant to BS EN 60332

6491X cable dimensions

Some of our most popular 6491X cable sizes include:

Eland Part Number

Nominal Cross- Sectional Area 

Nominal Overall Diameter mm

Nominal Weight kg/km

A2X*0015 1.5mm2 2.9 22
A2X*0025 2.5mm2 3.6 32
A2X*0040 4mm2 4.1 50
A2X*0060 6mm2 4.7 71
A2X*010 10mm2 5.9 110
A2X*016 16mm2 6.8 164
A2X*025 25mm2 8.4 256
A2X*035 35mm2 9.4 346
A2X*050 50mm2 11.0 473
A2X*070 70mm2 12.7 674
A2X*095 95mm2 14.7 913
A2X*120 120mm2 16.2 1150
A2X*150 150mm2 18.0 1416
A2X*185 185mm2 20.0 1749
A2X*240 240mm2 23.0 2317
A2X*300 300mm2 25.2 3049
A2X*400 400mm2 28.4 3657
A2X*500 500mm2 31.8 4700
A2X*630 630mm2 38.1 5890

Product codes have the asterisk (*) replaced by the insulation colour code. It is generally supplied in the following colours:

Red (RD), Black(BK), Blue (BL), Yellow (YW), White (WH), Grey (GR), Brown (BR), Green/yellow (GY) (for earthing applications). We also supply 6491B in other colours on request.

Our 6491X is BASEC-approved and manufactured in accordance with harmonised standards.

Refer to our product PDF for full technical specifications or speak to one of our sales team for more information.

6491X, H07V-R and H07V-U are also known as

6491X cables are often referred to as singles, conduit wire, earthing or grounding cable. It is also common for people to search for this cable using the following spelling: HO7V-R or HO7V-U.

6491B cables - an equivalent cable with a low smoke zero halogen insulation known by the harmonised code H07Z-R - is also available.

Range of Cables

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Cable Standards and Approvals

6491X (H07V-R & H07V-U) Cable

BS EN 50525-2-31 (previously BS 6004), BS EN/IEC 60332-1-2, BASEC approved

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Call Sales on +44 (0)20 7241 8787

Technical Hotline +44 (0)20 7241 8500

The Cable Lab®

UKAS-accredited specialist cable testing laboratory

About Eland Cables

The Cable Lab® our in-house cable testing facility, is UKAS-accredited to ISO 17025, which is the single most important standard for calibration and testing laboratories around the world. Accreditation to this international standard demonstrates our laboratory's technical competence and the accuracy of its results.

For our customers, it means peace of mind. They can have full confidence in the quality of our products and can demonstrate due diligence in selecting their cable supplier.

Our customers can also rely on the Cable Lab's services for an independent, objective and comprehensive quality assessment of cables procured from third parties.


About Eland Cables

About Eland Cables

Established in 1975, Eland Cables is a supplier of power, data, instrumentation and control cables and cable accessories to the world's most demanding industries and to some of its most prestigious projects. Our reputation is built on an unswerving focus on quality, technical expertise and customer service.


Our focus on quality has resulted in our in-house specialist cable testing facility securing the ISO 17025 accreditation. This certifies the competence, impartiality and performance capability of our laboratory and its evaluations. In turn, it means peace of mind for our customers with regard to the quality of the cables they source from us.

Expert tecHnical support

Our highly-qualified technical team is on hand to provide technical support with all aspects of cable selection, technical specification, regulatory requirements, and bespoke cable design and manufacture.

Complete Cable Solutions

We are a key contributor to projects in over 100 countries every year, adding value through comprehensive technical support, reliable logistics, innovative solutions, and a customer-centric approach.