SAI AS 1076.8
SA AS 10768 1977-JAN-01 Code of Practce for Selecton nstallaton and Mantenance of Electrcal Apparatus and Assocated Equpment for Use n Explosve Atmospheres Other Than Mnng Applcatons Part 8 Apparatus wth Type of Protecton 's' - Specal Protecton