Replace the first sentence of Clause 1 by: This Harmonization Document applies to residual current-operated devices (RCD) incorporated in, or specifically intended for use with two pole socket-outlets, with provision of earthing of the socket outlet for household and similar use (SRCD: socket-outlet residual current devices). At the end of the first paragraph, delete or phase to earthed middle conductor . Replace the second paragraph by: SRCDs are only intended to provide supplementary protection downstream of the SRCD. SRCDs are intended for use in circuits where the fault protection and additional protection are already assured upstream of the SRCD. Replace the text of Note 1 by Void . Replace the text of Note 2 by Void . Replace the text of Note 3 by Void . In Note 4, replace IEC 60884-1 by the national requirements for socket outlets of the country where the product is placed on the market In the fifth paragraph (beginning by They are not intended ), replace IEC 60439-3 by IEC 61439-3 . In the ninth paragraph, delete at the end or 20 A for devices with a rated voltage not exceeding 130 V 60 a.c . Replace the text of Note 6 by Void . Replace the text of Note 7 by Void . In the last paragraph, delete IEC 60884-1 or .