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// CODE SNIPPET

406.9.3 Electrical Interface

California Building Code 2016 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Use and Occupancy > 406 Motor-Vehicle-Related Occupancies > 406.9 Electric Vehicle > 406.9.3 Electrical Interface
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The electrical supply circuit to electrically powered mechanical ventilation equipment shall be interlocked with the recharging equipment used to supply the vehicle(s) being charged, and shall remain energized during the entire charging cycle. Electric vehicle recharging equipment shall be marked or labeled in accordance with the California Electrical Code.
Exceptions:
  1. Exhaust ventilation shall not be required in areas with an approved engineered ventilation system, which maintains a hydrogen gas concentration at less than 25 percent of the lower flammability limit.
  2. Mechanical exhaust ventilation for hydrogen shall not be required where the charging equipment utilized is installed and listed for indoor charging of electric vehicles without ventilation.

Related Code Sections


406.9.3 Special Detailed Requirements Based on Use and Occupancy, Electrical Interface
The electrical supply circuit to electrically powered mechanical ventilation equipment shall be interlocked with the recharging equipment used ...
California Building Code 2016 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Use and Occupancy > 406 Motor-Vehicle-Related Occupancies > 406.9 Electric Vehicle > 406.9.3 Electrical Interface
406.9.3 Special Detailed Requirements Based on Occupancy and Use, Electrical Interface
The electrical supply circuit to electrically powered mechanical ventilation equipment shall be interlocked with the recharging equipment used ...
California Building Code 2019 (Vol 1 & 2) > 4 Special Detailed Requirements Based on Occupancy and Use > 406 Motor-Vehicle-Related Occupancies > 406.9 Electric Vehicle > 406.9.3 Electrical Interface
R338.4 Building Planning, Electrical Interface
The electrical supply circuit to electrically powered mechanical ventilation equipment shall be interlocked with the recharging equipment used ...
California Residential Code 2016 > 3 Building Planning > R338 Electric Vehicle > R338.4 Electrical Interface
R338.4 Building Planning, Electrical Interface
The electrical supply circuit to electrically powered mechanical ventilation equipment shall be interlocked with the recharging equipment used ...
California Residential Code 2019 > 3 Building Planning > R338 Electric Vehicle > R338.4 Electrical Interface
513.2.5.4 Exhaust Systems, Water-Wash System
thereof shall include instruction and electrical interface for simultaneous activation of the water-wash system from an automatic fire-extinguishing system ...
California Mechanical Code 2019 > 5 Exhaust Systems > 513.0 Fire-Extinguishing Equipment > 513.2 Types of Equipment > 513.2.5 Fixed Baffle Hoods With Water Wash > 513.2.5.4 Water-Wash System
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