AS/NZS 60335.2.60-2006

Household and similar electrical appliances – Safety – Particular requirements for whirlpool baths and whirlpool spas(IEC 60335-2-60 Ed 3.1, MOD)
standard by Standards Australia / Standards New Zealand, 06/23/2006

AS/NZS 62086.2-2002

Electrical apparatus for explosive gas atmospheres – Electrical resistance trace heating – Application guide for design, installation and maintenance (IEC 62086-2:2001, MOD)
standard by Standards Australia / Standards New Zealand, 01/01/2002