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DONNELLY ENGINEERING ELECTRICAL <br /> C. Rating: Disconnect switches shall be horsepower rated. <br /> D. Requirements: Disconnect switches shall have the following features: <br /> 1. Switch mechanism shall be the quick-make, quick-break type. <br /> 2. Copper blades, visible in the OFF position. <br /> 3. An arc chute for each pole. <br /> 4. External operating handle shall indicate ON and OFF position and shall have lock-open padlocking <br /> provisions. <br /> 5. Mechanical interlock shall permit opening of the door only when the switch is in the'OFF position, <br /> defeatable by a special tool to permit inspection. <br /> 6. Fuse holders for the sizes and types of fuses specified. <br /> 7. Solid neutral for each switch being installed in a circuit which includes a neutral conductor. <br /> 8. Ground Lugs: One for each ground conductor. <br /> 9. Enclosures: <br /> a. Shall be the NEMA types shown on the drawings for the switches. <br /> b. Where the types of switch enclosures are not shown, they shall be the NEMA types which are <br /> most suitable for the environmental conditions where the switches are being installed. Unless <br /> otherwise indicated on the plans, all outdoor switches shall be NEMA 3R. <br /> c. Shall be finished with manufacturer's standard gray baked enamel paint over pretreated steel <br /> (for the type of enclosure required). <br /> 2.2 LOW VOLTAGE UNFUSED SWITCHES RATED 600 AMPERES AND LESS <br /> A. General: Shall be the same as Low Voltage Fusible Switches Rated 600 Amperes and Less, but no fuses. <br /> 2.3 LOW VOLTAGE FUSIBLE SWITCHES RATED OVER 600 AMPERES TO 1200 AMPERES <br /> A. General: Shall be the same as Low Voltage Fusible Switches Rated 600 Amperes and Less, except for the <br /> minimum duty rating which shall be NEMA classification Heavy Duty (HD). These switches shall also be <br /> horsepower rated. <br /> 2.4 IDENTIFICATION SIGNS <br /> A. General: Install nameplate identification signs on each disconnect switch to identify the equipment <br /> controlled. <br /> B. Nameplates: shall be laminated black phenolic resin with a white core, with engraved lettering, a minimum <br /> of 1/4-inch high. Secure nameplates with screws. <br /> PART 3—EXECUTION <br /> 3.1 INSTALLATION <br /> A. General: Install disconnect switches in accordance with the NEC and as shown on the drawings. <br /> B. General: Fusible disconnect switches shall be furnished complete with fuses. <br /> END OF SECTION <br /> Heartland Health Care Center of Zephyrhills-3181 16441-2 DE No 217032 <br /> 38220 Henry Drive,Zephyrhills, FL 33542 Pending Emergency Rule 59A4-1265 <br />