An external AC adapter kit with a CULus, CE, GS listed double insulated AC to DC switching power supply. This works with these Bobrick products:
B-2974
B-29744
B-3974
B-39747
B-3979
B-72974
B-824
B-828
B-8281
AC External Adapter Kit includes:
3974-18 AC to DC Switching Power Supply
3974-19 Expandable 1" Grommet
3974-20 U.S. AC Adapter Plug
Does not include interchangeable plugs for countries outside the US.
