Ordinance 724-80 - Laserfiche WebLink

1 Section 37: Section 23071 of the National Electrical Code, 1978 Edition, as 2 herein adopted, is hereby amended by adding a new Subsection "C": 3 "All main service panels supplying electric furnaces shall be main breaker 4 type." 5 Section 38: Section 310-5 of the National Electrical Code, 1978 Edition, is 6 hereby amended to read as follows: 7 8 "MINIMUM SIZE CONDUCTORS": 9 a. Commercial-Industrial Buildings: Whether solid or stranded, conductors shall not be smaller than No. 12 copper or No. 10 aluminum or 10 copper clad aluminum. 11 "Exception No. 1": For flexible cords as permitted by Section 400-12. 12 "Exception No. 2": For fixture wire as permitted by Section 410-23. 13 "Exception No. 3": For fractional hp motors as permitted by Section 430- 22. 14 "Exception No. 4": For cranes andhoists as permitted by Section 610-14. 15 "Exception No. 5": For elevator control and signaling circuits as 16 permitted by Section 620-12. 17 "Exception No. 6": For Class 1, Class 2 and Class 3 circuits as permitted by Sections 725-16, 725-37 and 725-40. 18 "Exception No. 7": For fire protective signaling circuits as permitted by 19 Sections 760-16, 760-27 and 760-30. 20 b. Residential: Whether solid or stranded, conductors shall not be smaller than No. 14 copper or No. 12 aluminum or copper clad aluminum. 21 "Exception No. 1": For flexible cords as permitted by Section 400-12. 22 "Exception No. 2": For fixture wire as permitted by Section 410-23. 23 "Exception No. 3": For fractional hp motors as permitted by Section 430- 24 22. 25 "Exception No. 4": For cranes and hoists as permitted by Section 610-14. 26 "Exception No. 6": For Class 1, Class 2, and Class 3 circuits as permitted by Sections 725-16, 725-37 and 725-40. 27 "Exception No. 7": For fire protective signaling circuits as permitted by 28 Sections 760-16, 760-27 and 760-30. 29 Section 39: Section 338-3(b) of the National. Electrical Code, as herein adopted 30 is hereby amended to read as follows: 31 32 -22-