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BS638 Part 4 Cable

BS638 Part 4 cable

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Arc welding power sources equipment and accessories manufactured in accordance with British Standard BS638 (withdrawn)

Part 4 of this Standard covers single-core flexible cables carrying the welding current in metal arc welding circuits from the welding power source to the electrode holder and workpiece, including our 0361TQ available in black with a plain copper conductor, or orange with a tinned copper conductor. Please note, this standard has now been withdrawn, although BS638 Part 4 remains a commonly used reference term. 
These cables are suitable for use in manual, semi-automatic and automatic welding applications. They have been designed to withstand constant load switching and to operate in challenging environments requiring mechanical robustness, high flexibility and heat resistance to the hot particles generated by the welding operations. They are flame retardant to BS EN 60332-1-2.
BS 638 Part 4 cable

Section 2 of Part 4 specifies requirements for arc welding cables rated at 100V AC rms and 150V DC. Section 3 of the Standard specifies requirements for additional arc welding cables frequently used in the United Kingdom. Their rating is as per section 2, however they can be used at voltages of up to 450V AC rms or 675V DC if suitably enclosed - a function not permitted within the superseded harmonised standard, BS EN 50525 where harmonised designations for arc welding cables are now covered under BS EN 50525-2-81 with cables H01N2-D and H01N2-E for normal and extra-high flexibility respectively. 

The Standard prescribes covering material offering resistance to wear. Certain permitted covering also provide resistance to oils, grease, acids, alkalis and other aggressive substances. The specified covering materials also offer resistance to weld spatter.
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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.