U3000光源,美國商業熒光-色溫3000k, 稀土商業熒光燈，用于商場照明。部份美國客戶商店光源,如沃爾瑪（wal-mart）,Sears等. Philips U30為目前市面上zui受用的3000K色溫燈管，舉凡GretagMacbeth、GTI等大廠的燈箱，皆使用此燈管做為3000K色溫標準光源。

PHILIPS Ultralume F30T12/30U/RS 30W Made in USA
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PHILIPSMASTER TL-D 18W/830 made in Poland
PHILIPS MASTER TL-D 30W/830 made in Poland
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PHILIPS TLD 30W/830 NEW GENERATION RECYCLABLE made in holland
PHILIPS MASTER TLD 36W/830 RECYCABLE made in holland
PHILIPS MASTER TLD 18W/830 RECYCABLE made in holland
標準光源對色燈箱燈管U30，它可以與TL83通用，因為它們色溫都為3000K