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20.20.027 der charging or equalizing condi- tions. Photovoltaic Circuits. In do photo- voltaic source circuits and photovol- taic output circuits, the maximum system voltage. (Ord. 1869 § 5, 2002) 20.20.028 Article 692 Amended In Its Entirety -Fuel Cell Systems: Article 692 of the California Building Standards Code 2001 Edition (24 C.C.R.), and including by reference the National Electrical Code, is amend- ed in its entirety to read as follows: ARTICLE 692 Fuel Cell Systems I. General 692.1 Scoue. This article identifies the require- ments for the installation of fuel cell power systems, which may be stand- alone or interactive with other elec- trical power production sources and may be with or without electrical energy storage such as batteries. 692.2 Definitions. Fuel Cell. An electrochemical system that consumes fuel to produce an electrical current. The main chemical reaction used in a fuel cell for pro- ducing electrical power is not com- bustion. There may, however, be sources of combustion used within the overall fuel cell system such as reformers/fuel processors. Fuel Cell System. The complete aggregate of equipment used to con- vert chemical fuel into usable elec- tricity. Afuel cell system typically consists of a reformer, stack, power inverter, and auxiliary equipment. Interactive System. A fuel cell sys- tem that operates in parallel with and may deliver power to an electrical production and distribution network. For the purpose of this definition, an energy storage subsystem of a fuel cell system, such as a battery, is not another electrical production source. Maximum System Voltage. The highest fuel cell inverter output volt- age between any ungrounded con- ductors present at accessible output terminals. Output Circuit. The conductors used to connect the fuel cell system to its electrical point of delivery. In the case of sites that have series- or parallel-connected multiple units, the term output circuit also refers to the conductors used to electrically inter- connect the fuel cell system(s). Point of Common Coupling. The point at which the power production and distribution network and the customer interface occurs in an inter- active system. Typically, this is the load side of the power network me- ter. Stand-Alone System. A fuel cell system that supplies power indepen- dently of an electrical production and distribution network. (Pleasanton April 2003) 710-32