IEC 60335-2-102:2017-Household and similar electrical appliances-Safety-Part 2-102: Particular requirements for gas, IEC 61508-3:2010-Functional safety of electrical/electronic/programmable electronic safety-related systems-Part 3: Software requirements (see Functional Safety and IEC 61508), IEC 60670-23:2006/AMD1:2016-Amendment 1-Boxes and enclosu