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Page 2 of 3 <br /> SINCE1945 D <br /> KEYSTONE IRECTDRIVECOLOR <br /> SELECT <br /> LIGHT MADE EASY' SINGLE- OR DOUBLE-ENDED LINE VOLTAGE LED TUBES <br /> • • • <br /> lh�A AL_ <br /> • <br /> LED LAMP <br /> WIRING DIAGRAMS <br /> COMPATIBLEWARNING:NOT <br /> SINGLE-ENDED WIRING DIAGRAM <br /> 1. Cut all existing connections to ballast as shown below and remove ballast.See Figure A for typi- <br /> cal ballast configurations, Note:Single-ended wiring requires non-shunted lampholders. <br /> FIGURE A Typical Ballast Wiring Configurations TYPICAL NON-SHUNTED <br /> PROGRAM START PREHEAT WITH STARTER INSTANT START LAMPHOLDER <br /> WNeutral* Blue <br /> S Lamp <br /> Lamp Lamp <br /> Ballast !B7allastPBlue <br /> XE -LLine <br /> Line Black Neutral <br /> CAUTION:Instant start ballasts have <br /> shunted lampholders. Connect wires directly to these terminals <br /> 2. Rewire fixture as shown below. CAUTION:FOR SINGLE-ENDED <br /> WIRING USE ONLY NON-SHUNTED <br /> LAMPHOLDERS. <br /> Line <br /> Q O Q Neutral Direct Drive LED Tube No live For Single-ended wiring,do not <br /> W connection install product in a fixture with <br /> shunted lampholders(found in all <br /> a Direct Drive LED Tube a fixtures using instant start ballasts). <br /> N If the current lampholders are <br /> shunted,remove them and replace <br /> 00 00 a Direct Drive LED Tube " them with non-shunted lamphold- <br /> -_ - m ers. Make new connections directly <br /> to terminals as indicated above. <br /> Line Neutral a a Keystone can provide any style <br /> Power Source N Direct Drive LED Tube replacement lampholders. <br /> Call us at 800-464-2680. <br /> DOUBLE-ENDED WIRING DIAGRAM <br /> 1. Cut all existing connections to ballast as shown below and remove ballast.See Figure A above for typical ballast configurations. <br /> 2. Re-wire fixture as shown below. For double-ended wiring,use either shunted or nonshunted lampholders. <br /> NOTE:There should not be any exposed wires at the end of installation. <br /> SHUNTED LAMPHOLDERS NON-SHUNTED LAMPHOLDERS <br /> Line Neutral Line Neutral <br /> Q l/1 • Q VI • <br /> Direct Drive LED Tube Direct Drive LED Tube <br /> m • <br /> Q (/1 • Q VI • <br /> Direct Drive LED Tube Direct Drive LED Tube <br /> - m - m • <br /> Q l/1 • Q VI • <br /> Direct Drive LED Tube Direct Drive LED Tube <br /> - m - m • <br /> Q l/1 • Q VI • <br /> Direct Drive LED Tube Direct Drive LED Tube <br /> - m - m • <br /> Keystone Technologies-Philadelphia,PA-Phone(800)464-2680-www.keystonetech.com <br /> Specifications subject to change.Last revised on 03.15.24 <br />