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EXCEPTION: Supply air duct, on the discharge side of an evaporative cooler, shall be conducted through rigid metal ducts constructed as set forth in Tables Nos. 6-1, 6-2, 6-3, 6-4, 6-8, 6-9, and unless prohibited by structural conditions shall be graded in the direction of the supply outlet. Factory-made air ducts complying with U.L. Standard No. 181 shall be limited to installation in a vertical position only. Note: Vertical shall be defined as not more than forty-five (45) degrees from the vertical. SECTION 41 : That section 8-667 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Sec. 8-667. Adoption by reference. There is adopted by the city that certain code known as the California Electrical Code 2007 Edition and the administrative provisions set forth herein, except Article 80 of the Electric Code, (hereinafter referred to in this article as the "Electrical Code") together with subsequent supplements, amendments, or editions, which shall become effective, adopted, and incorporated by reference into the Santa Ana Municipal Code on the date specified by the State Building Standards Commission, unless specifically adopted prior to that date, of which not less than one (1) copy of said Code has been and is now on file in the office of the Clerk of the Council of the City of Santa Ana pursuant to Health and Safety Code Section 18942(d)(1) and are made available for public inspection. The Electrical Code is adopted and incorporated by reference as though fully set forth at length herein as provided for in section 419 of the Charter of the city, except for the changes to the Electrical Code set forth in this Chapter of the Santa Ana Municipal Code that specifically amend the Electrical Code. Any previously enacted, unrepealed provision of the Santa Ana Municipal Code that amended a pre- 2007 Edition of the "Electrical Code" shall also be construed as amending the applicable provision of the 2007 or later Edition of the Electrical Code. The Electrical Code as amended, together with all other provisions of this article, shall be known as the City of Santa Ana Electrical Code. SECTION 42: The City Council of the City of Santa Ana hereby finds, determines and declares that adoption of section 8-815 amending California Electrical Code section 110-5 is necessary because earthquakes are a common occurrence in the local area, Santa Ana is located in the highest seismic design categories in the hierarchy that rates the potential risk for seismic activity by geographical areas. As such, there is a likelihood that cOnductors smaller than 4 AWG will have a propensity to work loose from their connection potentially precipitating a fire during seismic activity. It is therefore determined that said amendment is necessary to address the risk of fire due to such causes. SECTION 43: That section 8-815 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Ordinance No. NS-2760 Page 16 of 36