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Speaker 1: Welcome to brain Stuff from house stuff works dot com,

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Speaker 1: where smart happens Him Marshall Brain with today's question, what

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Speaker 1: do the UL marks on so many products mean? U

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Speaker 1: L stands for Underwriter's Laboratories, an organization that has been

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Speaker 1: around for more than a hundred years. If you visit

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Speaker 1: the u L site at UL dot com, you can

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Speaker 1: find the following description. U L is a world leader

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Speaker 1: in product safety testing and certification. For more than one

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Speaker 1: hundred years, manufacturers have had their merchandise evaluated and tested

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Speaker 1: for safety risks by our independent third party safety certification organization.

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Speaker 1: Last year alone, approximately fourteen billion products with the u

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Speaker 1: L mark entered the global marketplace. A good summer used

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Speaker 1: by u L is a not for profit organization dedicated

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Speaker 1: to public safety. You all set standards for different auduct

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Speaker 1: categories and test products to make sure they meet the standards.

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Speaker 1: U L may also certify the installation of products in

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Speaker 1: the field. Underwriters, by the way, are insured. Do you

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Speaker 1: have any ideas or suggestions for this podcast? If so,

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Speaker 1: please send me an email at podcast at how stuff

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Speaker 1: works dot com. For more on this and thousands of

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Speaker 1: other topics, go to how stuff works dot com.