IEC 60335-2-87:2016/AMD1:2018-Amendement 1-Household and similar electrical appliances-Safety-Part 2-87: Particular requirements for electrical animal stunning equipment, IEC 60364-5-54:2011-Low-voltage electrical installations-Part 5-54: Selection and erection of electrical equipment-Earthing arrangements and protective conductors, IEC 61892-1:201