505.4 Other than Group R.
MC § 505.4
All domestic cooking appliances installed in cafeterias and in Group A-1, A-2, A-4, A-5, and M occupancies shall be provided with hoods and exhaust systems as required for the type of appliances and processes in accordance with Sections 506 and 507. In other than Group R occupancies, domestic appliances may be provided with domestic kitchen exhaust systems ducted to outdoors in accordance with this section provided that the installation complies with all of the following: 1. No more than two domestic cooking appliances are installed in each fire separated room or tenancy in other than Group E occupancies; 2. Each appliance shall have electric or gas connections and nameplate ratings not to exceed 10 kW for electric appliances or 75,000 Btu/h for gas appliances. Branch gas connections shall not be larger than 3/4 inch (19.1 mm) pipe; 3. The appliances shall not include open top broilers or fryers; and 4. The appliances are used for periodic, non-commercial, non-revenue generating purposes, except for in Group A-3 occupancies, where such appliances may be used a maximum of 8 hours per week to generate revenue.













