Specification for electrical safety and performance of gas fired space heating appliances with inputs 60 kW to 2 MW|Electrical faults, Electric terminals, Electric wiring systems, Electrically-insulated bushings, Test equipment, Electrical safety, Performance testing, Clearance distances, Gas space heating, Electrical insulating materials, Convection heaters, Leakage paths, High-temperature testing, Electrical equipment, Marking, Industrial facilities, Earthing, Gas-powered devices, Electric shocks, Electrical components, Rust, Business facilities, Air heaters, Corrosion tests, Electric cables, Electrical insulation, Boilers, Hot-water boilers, Heaters, Electrical testing, Performance, Tracking tests, Dimensional measurement