Mains sockets with USB charger

[Cardigan]

The gentleman doing this video says he's not seen dual earth terminals before. They are a requirement for high integrity earth systems (Sec.543.7 of BS7671:2008).

http://www.electrical.theiet.org/wiring-...rthing.cfm

http://www.mkelectric.com/Documents/Engl...55-389.pdf

Also, I note MK make USB sockets that are adaptive in terms of current requirement.