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Building Ordinance continued (b) Underground services may be run with approved cable at a mini- mum depth of 30 inches, from which point it shall be sleeved for mechanical protection. (c) Service masts minimum size 1 1/2" Rigid Conduit, which nust be properly secured and have a minimum clearing 30" from bottom wire above the roof. Meter trough set 5 1/2 to 6 ft, from finish grade. (d) Temporary services shall have a minimum of 10 feet clearance, be of approved material and be properly braced and supported, (e) Only threaded thick wall metal conduit will be accepted when exposed to the weather and it must be galvanized, or its equivalent. Electri- cal metallic tubing may be used fromn meter socket to entrance switch, if not exposed to the weather. (f) Meter rooms shall be provided in all buildings of multiple occupancy (four or more occupancies) and shall have minimum requirements of: 4 to 8 meters --4' x 6' x 7' inside diameter and if the electrical requi'remiants and demand is larger, the meter room shall be increased accordingly. This meter room shall be equipped with a ventilated door, and approved lock which may be locked only with the approval of the Electrical Inspector, The meter roo^ shall be accessible to all occupancies of the building at all times. The meter room shall be provided with adequate ventilation. The purposes of this room shall be to house the main switch or rain switches, disconnecting equipment and its control devices, terminal equipment for telephone service (in separate area from electrician's area) and all the electric meters which serve the occupants throughout the entire building: The construction of this room shall conform to the same type of material and construction as the main building, and there shall be no storage of any kind, gas meters or water heaters permitted in this room. (g) Service disconnecting switches mast be located in a convenient and readily accessible place inside the building a;ban a mater room is not a- vailable. The service disconnecting switch or switches, and other disconnecting equipment located in enclosed or semi -enclosed porches not exposed to the breather, shall be considered as being located inside the building, (h) Service disconnect shall be located at the -nearest point of ser- vice entry not to exceed 25 feet and shall not be installed' in bathrooms, bed- rooms, closets or kitchen cabinets. (i) All 220 volt circuits must be protected with cartridge fuses or double pole breakers. (j) All main switches and sub -main s:fi tches shall be plainly marked so that the division, sub -division, or separate occupancies of the buildine which they control can be quickly and positively identified. The mark of identi- fication shall be securely affixed to the s:•fitch to prevent its loss or nils - placement, (k) All service grounds shall be equipped with ground rods, not less than 8 ft. in length. I..ater pipe systems :fill not be alloved. (1) The service and equipment around nust be taken from the nearest possible point of the system service after the service is attached to the build- irlg. This ground must start at the meter socket, main s:litch or C.T. can. Point o. attachment of ground clamps or approved ground connectors shall be readily accessible, and shall not be in attics, under floor or behind any equip -:ant - (n) All current-ransfon-.er installations shall be color coded as `v'lo: ":lith mini:-u,a wire size of =12: 2 red, 2 black, 2 yello:f, and 1 ',:;lite with n'rr'b,r fo-r (1`0 copper vnr:: to an approved ground. Section 26. M-:1CP.C.IAL CO';STP,:1CT IU`i. (a) The to each stor^ roust provide at least three-wira, sr.,jI !-phase curs t;L or four-wirecurrent of 60 ai pare capacity, ! Lhe condki,_tor size shat I b•_ riot less `r.jn ..o. 4. Tho ccnduit race:rwy shall r;r. Ic:.s f ->t n of _• all on_ lo.trt;t inch r.rdd- size. r (n) T'rt= UFS -f^- .''1' +.n r-ich ;n lt'c f:.. _:'r .':Jl-G