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J1889 - L.E.D. Signal and Marking Lighting Devices

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Document Number: J1889
Project Initiation: 01-03-2014
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L.E.D. Signal and Marking Lighting Devices
This SAE Recommended Practice applies to functions of motor vehicle signaling and marking lighting devices which use light emitting diodes (L.E.D.’s) as light sources. This report provides test methods, requirements, and guidelines applicable to the special characteristics of L.E.D. lighting devices. This Recommended Practice is in addition to those required for devices designed with incandescent light sources. This report is intended to be a guide to standard practice and is subject to change to reflect additional experience and technical advances.
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