regina-MV ✉
%&$ ✉
AlexTheBest ✉
Также сравните:
http://www.hitechcontrols.com/aluminum_enclosure/pushbutton/2_3_button_enclosures.htm
http://www.qvsdirect.com/Hamilton-Chrome-2-Gang-2-Way-Switch-pr-22024.html
http://www.alibaba.com/product-gs/200795339/Two_way_one_gang_wall_switch.html