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D. Furnish with ground bus when bonding is required. <br />E. Keyed alike door lock with two keys for each lock provided. <br />F. Directory: Typewritten sheet installed on inside of door. <br />G. Manufacturer: <br />1. General Electric. <br />2. Cutler Hammer. <br />3. Square D. <br />4. Or approved equal. <br />H. Interior Panels: Panel boards shall be provided with hinges such that the entire <br />interior of a panel can be accessed from the front of the panel. <br />2.06 DRY TYPE POWER TRANSFORMERS (0- TO 600 -VOLT PRIMARY) <br />A. Type: Self -cooled, two -winding. <br />B. UL 1561 and NEMA ST 20. <br />C. Insulation Class/Temperature Rise: Standard. <br />D. Core and Coil: <br />1. 30 kVA or Less: Encapsulated. <br />2. 37.5 kVA and Larger: Varnish impregnated. <br />E. Enclosure: <br />1. 30 kVA or Less: NEMA 250, Type 3R, non -ventilated. <br />2. 37.5 kVA and Larger: NEMA 250, Type 2, ventilated. <br />F. Voltage Taps: Full capacity, 2-1/2 percent, two above and two below normal voltage <br />rating. <br />G. Sound Level: Not to exceed NEMA ST 20 levels. <br />H. Vibration isolators to minimize and isolate sound transmission. <br />I. Manufacturer: <br />1. General Electric. <br />2. Cutler Hammer. <br />3. Square D <br />4. Or approved equal. <br />North County LFG Collection System 6 FLARE STATION ELECTRICAL <br />San Joaquin County Public Works Section 16005 <br />