Editing AC power plugs and sockets (section)

==== Regulation of adaptors and extensions ====
A 2012 appendix to SEV&nbsp;1011:2009, ''SN&nbsp;SEV&nbsp;1011:2009/A1:2012 Plugs and socket-outlets for household and similar purposes – A1: Multiway and intermediate adaptors, cord sets, cord extension sets, travel adaptors and fixed adaptors''<ref name=SEV1011A1>{{cite web |url=http://www.electrosuisse.ch/de/meta/shop/normen/detail.html?tx_kidsshop_product%5Bproduct%5D=122100008856715 |title=SEV 1011:2009/A1:2012, Plugs and socket-outlets for {{sic|houshold|nolink=y}} and similar purposes – A1: Multiway and intermediate adaptors, cord sets, cord extension sets, travel adaptors and fixed adaptors |publisher=Electrosuisse, SEV Verband für Elektro-, Energie- und Informationstechnik |year=2012 |format=PDF |location=Fehraltorf, Switzerland |access-date=26 May 2017 |url-access=subscription}}</ref> defines the requirements applicable to multiway and intermediate adaptors, cord sets, cord extension sets, and travel and fixed adaptors, it covers the electrical safety and user requirements, including the prohibition of stacking (the connection of one adaptor to another). Non-conforming products must be withdrawn from the Swiss market before the end of 2018.<ref>{{cite web |url=http://www.esti.admin.ch/files/aktuell/2013_03_stecker_steckdosen_e.pdf |title=Plugs and socket-outlets for household use and related purposes: New product requirements for the Swiss market |author=Dario Marti, Director |publisher=Federal Inspectorate for Heavy Current Installations ESTI, Swiss Confederation |date=March 2013 |type=official site |location=Fehraltorf, Switzerland |access-date=26 May 2017 |archive-url=https://web.archive.org/web/20140903134853/http://www.esti.admin.ch/files/aktuell/2013_03_stecker_steckdosen_e.pdf |archive-date=3 September 2014 |url-status=dead}}</ref>