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have been reconstructed to conform to this code. <br />Section 25. SERVICE ENTRANCE STANDARDS. <br />(a) All services shall be run in approved threaded conduit, <br />minimum size one and one-half (1 1/2) Inch rigid conduit to be run as <br />a mast through the roof, unless written approval is obtained from the <br />electric utility department, <br />(b) Underground services may be run with approved cable at <br />a minimum depth of 30 inches, from which point it shall be sleeved <br />br mechanical protection. <br />(c) Service masts minimum size 1, 1/2" Rigid Conduit, which <br />must be properly secured and have a minimum clearing 30" from <br />bottom wire above the roof. Meter trough set 5 1/2 to 6 ft. from <br />finish grade, <br />(d) Temporary services shall have a minimum of 10 feet <br />clearance, be of approved material and be properly braced and <br />supported. <br />(e) Only threaded thick wall metal conduit will be accepted <br />when exposed to the weather and It must be galvanized, or its cquiva- <br />lent. Electrical metallic tubing may be used from mater socket to <br />entrance switch, if not exposed to the wcathcr. <br />(f) Meter rooms shall be provided In all buildings of multiple <br />occupancy (four or more occupancies) and shall have minimum require- <br />ments of: 4 to 8 meters --4' x 6' x 7' inside diameter and if the elec- <br />trical rtnuirements and demand Is larger, the meter room shall be <br />increased accordingly. This meter room shall be enuipped with a <br />ventilated door, and approved lock which may be locked only with the <br />approval of the Electrical Inspector. The meter room shall be acces- <br />sible to all occupancies of the building at all times. The meter room <br />shall be provided with adequate ventilation. The purposes of this room <br />shall be to house the main switch or main switches, disconnecting <br />22 <br />