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17. Lighting systems shall be controlled by dead front -type panel, freestanding or pole <br />mounted service cabinets. Pole mounted panels are only allowed on hot dipped steel <br />galvanized poles. <br />18. All poles, both single -feed and circuit -feed, shall be fused in the hand -hole with TRON <br />HEB or HEX type fuse holders with 5 amp fuse. <br />19. Lighting conduits shall be installed a minimum of 30 inches below finish grade. The <br />point of utility service shall be located within the public right-of-way or in a P -UE <br />directly adjacent to public right-of-way. A directly adjunct PUE is considered the <br />standard 7 -foot to 10 -foot roadside easement. The primary location for street light <br />conduit shall be in a joint trench with other utilities or under the sidewalk area. Joint <br />trenching shall be used and street light conduit shall be located outside of the planting <br />strip unless the applicant shows that no other reasonable alternative is available. If <br />the planting strip is approved for street light conduit, the conduit shall be installed <br />directly adjacent to the sidewalk edge, or one foot from the backside of the curb. In <br />no case shall conduit be installed in an area which may conflict with the installation of <br />street trees or stormwater conveyance and treatment facilities. <br />20. Conduit shall be sized to allow no more than 25 percent fill. No underground conduit <br />shall be less than 1 and 1/2 inches in diameter. Non-metallic conduits shall be <br />Schedule 40 PVC. All conduits in concrete foundations shall be Schedule 40 rigid <br />galvanized steel. <br />21. All street crossings require a junction box on each side of the crossing. <br />22. The wiring shall be sized to provide a maximum voltage drop of one (1) percent from <br />the utility service point to the service cabinet, and a maximum voltage drop of two <br />(2) percent from the farthest light to the service cabinet on each circuit. The applicant <br />shall provide the City with voltage drop calculations for all street lighting design that <br />uses a service cabinet. <br />23. When more than one circuit is connected in a conduit run, each load conductor shall <br />have its own separate neutral. No shared neutrals shall be permitted. <br />24. Maximum wire size between the service cabinet and luminaires shall be No. 4 AWG. <br />25. Minimum wire size for conductors carrying current to luminaires shall be No. 10 AWG. <br />Public Improvement Design Standards Manual, 2016 Page 2-27 <br />