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507.2.1 Penetration

Los Angeles Mechanical Code > 5 Exhaust Systems > 507.0 General Requirements > 507.2 Listed Devices > 507.2.1 Penetration
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Devices that require penetration of a Type I hood or grease duct, such as pipe and conduit penetration fittings and fasteners, shall be listed in accordance with UL 710 or UL 1978. Seams, joints, and penetrations of the hood enclosure shall comply with Section 508.7. Seams, joints, and penetrations of the ductwork shall comply with Section 510.5.3.

Related Code Sections


1023.5 Means of Egress, Penetrations
Penetrations into or through interior exit stairways and ramps are prohibited except for equipment and ductwork necessary for independent ventilation ...
Los Angeles Building Code > 10 Means of Egress > 1023 Interior Exit Stairways and Ramps > 1023.5 Penetrations
1023.5 Means of Egress, Penetrations
Penetrations into or through interior exit stairways and ramps are prohibited except for equipment and ductwork necessary for independent ventilation ...
Los Angeles Fire Code > 10 Means of Egress > 1023 Interior Exit Stairways and Ramps > 1023.5 Penetrations
1024.6 Means of Egress, Penetrations
Penetrations into or through an exit passageway are prohibited except for equipment and ductwork necessary for independent pressurization, sprinkler ...
Los Angeles Building Code > 10 Means of Egress > 1024 Exit Passageways > 1024.6 Penetrations
1024.6 Means of Egress, Penetrations
Penetrations into or through an exit passageway are prohibited except for equipment and ductwork necessary for independent pressurization, sprinkler ...
Los Angeles Fire Code > 10 Means of Egress > 1024 Exit Passageways > 1024.6 Penetrations
1105.4.5 Construction Requirements for Existing Buildings, Penetrations
The space around penetrating items shall be filled with an approved material to limit the passage of smoke ...
Los Angeles Fire Code > 11 Construction Requirements for Existing Buildings > 1105 Construction Requirements for Existing Group I-2 > 1105.4 Corridor Construction > 1105.4.5 Penetrations
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