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Work Exempt From Permit
Portable heating appliances with a self contained fuel supply
Portable ventilation appliances.
Portable cooling units.
Steam, hot- or chilled-water piping within any heating or cooling equipment regulated by chapters 18 to 24 inclusive of the International Residential Building codes.
Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
Portable evaporative coolers.
Self-contained refrigeration systems containing 10 pounds (4.54 kilograms) or less of refrigerant or that are actuated by motors of 1 horsepower (746 watt) or less.
Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
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