Guidelines to ensure that imported 110 Vac "connectable installations" in Recreational Vehicles (including the appliances) meet the requirements of the Electricity (Safety) Regulations.
Electricity (Safety) Regulations 2010. (external link)
Warrants of Electrical Fitness (WoEFs) for recreational vehicles or caravans having electrical systems that operate at 110 volts. Republished 4 December 2011.
Warrants of Electrical Fitness for Imported Recreational Vehicles having electrical systems that operate at 110 volts