Electrical equipment for furnaces and ancillary equipment. Requirements for application design and installation|Protected electrical equipment, Warm-air heating, Flow charts, Error detection, Combustion chambers, Electrical connections, Electric conductors, Installation, Computer software, Steam boilers, Hot-water central heating, Turbines, Safety devices, Electrical safety, Stationary, Electric cables, Furnaces, Electrical protection equipment, Electrical equipment, Gas-powered devices, Switches, Heat exchangers, Documents, Maintenance, Computer hardware, Heating equipment, Circuits, Auxiliary, Earthing