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SAA AS 1674.2

2007 Edition, February 15, 2011

Complete Document

SAFETY IN WELDING AND ALLIED PROCESSES PART 2: ELECTRICAL

Includes all amendments and changes through Amendment 1, February 15, 2011


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Description / Abstract:

This Standard sets out safety requirements for arc welding and allied processes, to reduce the possibility of electric shock and minimize associated hazards. It includes requirements for cable connections for alternating and direct current power sources, as well as requirements for hazard-reducing devices and other ancillary equipment. It also describes practices and safeguards that should be adopted by welders and provides examples of situations that present an increased risk of electric shock.

For the purposes of this Standard the term ‘direct current' (d.c.) is considered to be a direct current with a sinusoidal ripple content of not more than 10% r.m.s. Any d.c. power source with a sinusoidal ripple content of more than 10% shall be considered as an a.c. power source (eg. a single phase unfiltered full wave rectified d.c. power source has a nominal sinusoidal ripple content of 48%).

This Standard does not cover electrical safety requirements when welding is carried out underwater.

NOTES:

1 Other aspects of welding safety are covered in other Standards.

2 Typical electrical hazards are described in Appendix A.

3 Some fatal electrical accidents are reported in Appendix B.