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NEK 606 Cable

NEK 606 Cable

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Norwegian Standard – Offshore oil & gas, ship and marine industries

NEK TS 606 is the Norwegian's marine and offshore industry technical specification (TS) covering a range of power, instrumentation and earth cables that are halogen free and/or resistant to mud - the type of drilling liquid used in drilling operations which can have an adverse effect on the cable sheathing material. This technical specification has been widely adopted in Europe and internationally.

Eland Cables' range of NEK 606 cables includes:
Power cables

BFOU Cable - 0.6/1kV

RFOU Cable - 0.6/1kV
Power supply to electromechanical and electrical equipment, including emergency and critical systems such as lighting systems
Instrumentation cables
BFOU(i) S3/S7 Cable - 150/250V

RFOU(i) S1/S5  Cable - 150/250V
Individually screened instrumentation and telecommunication cable for fixed installation
BFOU(c) S4/S8 Cable - 150/250V

RFOU(c) S2/S6
Cable - 150/250V
Collectively screened instrumentation and telecommunication cable for fixed installation
UX Earth Cable
UX Earth Cable 0.6/1kV Green/Yellow cable for earthing and bonding applications

Other cables manufactured according to NEK 606, including medium and high voltage, can be supplied on request.
NEK 606 cable

NEK 606 cable designation and properties

NEK 606 cables have many similarities with cables covered under IEEE 1580 type P and British Standard BS6883, with distinct requirements in relation to the insulation, screening, braiding, bedding and sheathing compound.

BFOU cables contain a mica glass tape making them flame resistant according to IEC 60331-21 and 31. RFOU cables are flame retardant according to IEC 60332-3-22. UX earth cables are flame retardant to IEC 60332-1.

The following table is a guide to NEK 606 code designation for some widely used shipboard cables.

Materials 1st letter 2nd letter - bedding 3rd letter -
4th letter - outersheath
Fire resistant + halogen free B      
Ethylene propylene rubber R      
Cross-linked polyethylene T      
Halogen free   F    
No armour     X  
Tinned or bare copper wire braid     O  
Halogen free       U
Mud resistant       U

Eland Cables' marine and offshore cables manufactured to NEK 606 standard are DNV certified to be in accordance with ISO 9001 and ISO 14001. They are also Lloyds and ABS approved.
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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.