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NYY-J & NYY-O Cable

NYY-J & NYY-O Cable Click here to view the cable arrow-no-circles.png

Applications Overview

The NYY cable range includes NYY-J and NYY-O cables. These are widely used European power and control cables designed for fixed installation with a voltage rating of 600/1000V. They can be safely deployed in most applications where mechanical stresses are not anticipated – indoors, outdoors, direct burial underground, in concrete, or submerged in water. When these cables are required to comply with the UK wiring regulations BS7671 for burial in the ground, they require installation in a conduit or duct to provide protection against mechanical damage. They are not suitable for installation in concrete which is shaken, vibrated or compressed.

NYY-J & NYY-O cable construction


Conductor Up to 25mm2: solid copper (Class 1)
25mm2 and above: stranded copper (Class 2)
Insulation Polyvinyl Chloride (PVC) Type DIV4
Filler PVC
Sheath Flame retardant PVC Type DMV5 (FR-PVC)

The construction of the NYY-O differs from the NYY-J in that it doesn't have a green/yellow earth wire.

These black cables have a UV-stabilised outersheath making them suitable for direct exposure to sunlight. They have an operating temperature range of -15oC to +70oC when fixed and -5oC to +50oC when flexed. 

NYY-J & NYY-O cable selection

As a leading supplier of fixed installation power supply cables manufactured to various European and national standards, out technical engineers have vast experience of advising on NYY-J and NYY-O cable selection. For technical support, please call us to discuss your specific project requirements.

Range of Cables

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Cable Standards and Approvals

NYY-J & NYY-O Cable

IEC 60502-1, BS EN/IEC 60332-1-2

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Call Sales on +44 (0)20 7241 8787

Technical Hotline +44 (0)20 7241 8500

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.


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.