Resistance welding. Resistance welding equipment. Mechanical and electrical requirementsWhat is ISO 669 Mechanical and electrical requirements for resistance welding about? ISO 669 is an international standard covering mechanical and electrical requirements for resistance welding, ensuring operability, stability and safety in welding applications. ISO 669 defines and specifies certain identified electrical and mechanical characteristics of the equipment used for: Resistance spot welding Projection welding Resistance seam welding Upset

reliable and practical analytical methods are needed in order to ensure compliance with the EU Regulation and thus protect user’s safety

between parent metal and cladding

Positions 5 and 6

BS EN 60730-1:2016 supersedes BS EN 60730-1:2011

(the thermal performance)

BS EN 50288-9-1 specifies the test methods applied to the completed cable together with the requirements and demonstration

The standard specifies how different categories of criteria for the indoor environment can be used

which forms part of a set of standards related to the evaluation of the energy performance of buildings (EPB)

as well as misuse that might reasonably be expected to occur

Ministry of Housing and Local Government

Section 3 applies to steel grades S 235 to S 460 only

System evaluation and audit