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Memo <br />To: Building Aw"ilmore, Code Appeal Board <br />From: Debbie Chief Building Official <br />CC: <br />Date: 9 {6/2011 <br />Re: 2011 National Electrical Code <br />The review of the 2011 Ed. of the National Electrical Code (NEC), the 2011 Illustrated <br />Changes Book and the existing local amendments in the City's Code of Ordinances has been <br />completed. Staff found the majority of the changes were for clarification and re- organization <br />purposes. <br />Local amendments were not impacted by the code changes; however, at the Board 08130/11 <br />meeting, staff was asked to research questions relating to (4) local amendments and to confirm <br />if the State's mandate for the 2011 NEC that is effective 09 {01111 oveixides the cities adoption <br />ordinance. The following is our response. <br />S, 82 -340 Residential capacity and branch circuits (a) Staff recommends retaining this <br />amendment The required, minimum 100 amp service complies with NEC S. 225.39(0) [One - <br />Family Dwellings]; however, the local requirement for two spare breakers exceeds the NEC. <br />These additional breakers ensure residents have room to add circuits for a pool, accessory <br />building, etc. without paying for a service upgrade. Previous Board members felt the cost of <br />installing a parcel with Avo spare breakers is minimal when compared to the expense of a <br />service upgrade. (See attached) <br />(b) Staff recommends keeping this amendment. The NEC S 300.5 (Minimum Cover <br />Requirements) allows direct bury cable This amendment requires schedule 40 conduit for <br />added protection during excavation. (See attached) <br />S. 82 -344 Meter cabinets No recommendation by staff. Stafffeels this is a clarification that <br />installation is subject to approval by both the electric public service company and the NEC. <br />