IEC 60598-2-22:2021

IEC 60598-2-22:2021 specifies requirements for emergency luminaires for use with electrical lamps on emergency power supplies not exceeding 1 000 V. This fifth edition cancels and replaces the fourth edition published in 2014 and Amendment 1:2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - update of requirements for rest mode and inhibiting mode; - clarification of high temperature operation tests; - introduction of new requirements for lithium batteries; - introduction of new requirements for electric double layer capacitors (EDLCs); - clarification of resistance to heat, fire and tracking; - clarification of test facilities for self-contained luminaires; - clarification of the test method for contrast measurements of exit signs.