EN 62271-4:2013

FOREWORD
INTRODUCTION
1 General
2 Terms and definitions
3 SF[6] handling during installation and commissioning
4 SF[6] handling during normal service life
5 SF[6] recovery and reclaim during maintenance
6 Dismantling of SF[6] electric power equipment at
  the end-of-life
Annex A (informative) - Storage and transportation of SF[6]
Annex B (informative) - Safety and first aid
Annex C (informative) - Training and certification
Annex D (informative) - Description of SF[6] Handling
        Equipment
Annex E (informative) - Sulphur hexafluoride
Annex F (informative) - Environmental effects of SF[6]
Annex G (informative) - SF[6] by-products
Annex H (informative) - Procedure for evaluating the potential
        effects on health of SF by-products
Annex I (informative) - Cryogenic reclaim of SF[6]
Annex J (normative) - Handling of SF[6] mixtures
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 62271-4:2013 applies to the procedures for handling of SF₆ during installation, commissioning, normal and abnormal operations, disposal at the end of life of high voltage switchgear and controlgear. This first edition cancels and replaces the first edition of IEC/TR 62271-303 published in 2008. This first edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the description of the potential effects on health of SF₆ by products (former Annex D of IEC/TR 62271-303:2008) has been replaced by the calculation methods for evaluating of the potential effects on health of SF₆ by products (see Annex H); b) information about cryogenic reclaim of SF₆. Have been added (see Annex I); c) handling procedures for the most popular SF₆ mixtures have been added (see Annex J).