lamp ballast

ballast

1. Coarse stone, gravel, slag, etc., used as an underlayer for poured concrete. 2. A device used to provide the required starting voltage and operating current for fluorescent, mercury, or other electric-discharge lamps. 3. Class P: A ballast for a fluorescent lamp which meets the requirements of the Underwriters’ Laboratories, Inc.; includes an automatic resetting thermal protector to remove the ballast from the circuit if its temperature exceeds a specified value. 4. Same as constant-wattage ballast.

单词	lamp ballast
释义	DictionarySeeballast lamp ballast ballast 1. Coarse stone, gravel, slag, etc., used as an underlayer for poured concrete. 2. A device used to provide the required starting voltage and operating current for fluorescent, mercury, or other electric-discharge lamps. 3. Class P: A ballast for a fluorescent lamp which meets the requirements of the Underwriters’ Laboratories, Inc.; includes an automatic resetting thermal protector to remove the ballast from the circuit if its temperature exceeds a specified value. 4. Same as constant-wattage ballast. FinancialSeeBallast
随便看	junkyards junk yard wars junky lungs jun n-terminal kinase jun nuclear kinase juno juno averna juno beach orchids junod boot juno (disambiguation) junod, victor t junod, victor t. junoesque junoesquely juno (german) juno inferna juno instant messenger juno lucina juno mission jun oncogene juno regina junos junot, andoche jun proto-oncogene junps