IEC 60335-2-71:2018 deals with the safety of all kinds of electrical heating appliances used for livestock rearing and breeding, such as: heat-radiating appliances, electrical sitting-hens, incubators, chicken breeding units and heating plates for animals, the rated voltage of the appliances being not more than 250 V for single-phase appliances and 480 V for other appliances.This standard applies to heating appliances used for livestock rearing and breeding that include an electrical motor.This standard does not apply to:- appliances designed exclusively for industrial purposes;- appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas);- heating units embedded in the floor;- flexible sheet heating elements for room heating (IEC 60335-2-96);- room heaters (IEC 60335-2-30).This third edition cancels and replaces the second edition published in 2002, its Amendment 1 (2007) and its Amendment 2 (2012). This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:- two paragraphs are deleted (Introduction);- normative references updated (Clause 2);- colour required for symbols (7.6);- some notes converted to normative text (19.2, 21.101, 22.104).