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4. Overload relays shall be adjustable for trip point and for automatic or manual <br /> reset. Each overload shall be ambient compensated and shall trip on 600% of <br /> rlul l loan current in less than 6 seconds, C ac„ overload relay shall hada <br /> a test <br /> trip pushbutton built-in and an adjustable calibrated trip with indicating dial. <br /> Three-phase starters shall have 3 overload relays. Each overload relay shall <br /> have a normally closed holding contact and a normally open isolated contact <br /> for overload alarm. Motor overloads shall be Furnas, Square "D"or approved <br /> equal. Heater elements shall be supplied that match motor nameplate amps. <br /> There shall be a steel operator, with insulated plastic foot (for safety) through <br /> the front door for manual reset of overload relay. <br /> I. CONTROL POWER TRANSFORMER <br /> 1. Control power transformer shall be provided with a time-delay, slow-blow <br /> secondary fuse rated to protect the transformer and interrupt 10,000 amperes <br /> at 120VAC. Two primary fuses with KAIC interrupt rating of corresponding <br /> power connection shall be provided. Transformer size minimum ratings shall <br /> be as shown on Contract E-series drawings. <br /> 2.05 CONDUIT, RACEWAYS, AND WIREWAYS <br /> A. General - Conduit, raceways, and wireways, wiring methods, materials, installation <br /> shall meet all requirements of the NEC, be UL labeled for the application, and meet <br /> the minimum following specifications. <br /> 1. All wiring shall be installed in conduits, raceways, or wireways when <br /> interconnecting equipment and devices. <br /> 2. The Contractor shall use special conduit, raceways, wireways, construction <br /> methods, and materials as shown on the Contract drawings; which shall take <br /> precedence over any general methods and materials specified in this Section. <br /> 3. The minimum size conduit shall be 1-inch unless indicated otherwise on the <br /> Drawings or for special connections to equipment. Buried, encased, or <br /> conduits located in walls shall be 1-inch minimum. <br /> 4. Conduit stubs for future use shall be capped with coupling, nipple, plug, and <br /> cap and each end identified with conduit labels. <br /> B. Conduit Marking <br /> 1. All conduits listed in the "Conduit and Wire Routing Schedule" shall have <br /> conduit tags at both ends of each conduit segment. This includes all conduits <br /> in pullboxes and vaults. <br /> 2. Tag material shall be rigid laminated red phenolic with white lettering. The <br /> size of the tag shall be 2"diameter. No letters are allowed smaller than 7/16". <br /> Tags shall be heat and UV resistant, stainproof, electrically non-conductive <br /> and non corroding. Securely fasten tags in place using UV resistant, black <br /> plastic tie-wraps. Engrave the tags, on both sides, with the conduit number as <br /> listed in the Conduit and Wire Routing Schedule on the Contract "E"-series <br /> Drawings. Labeling shall be neatly installed for visibility and shall be clearly <br /> legible. Conduit tags shall be Brady Custom B-1, or approved equal. <br /> 3. Prior to encasement, concealment, backfilling of conduits, temporary conduit <br /> labels shall be provided at each end of conduit. Temporary conduit labels <br /> shall have '/2-inch (minimum) lettering at all transition points. After <br /> July 2007 Division III-194 NEI Phase II Water and Sewer <br /> CIP Nos. 7468, 7589, 7590 <br />