UL Label

UL Label

An identification affixed to a building material or component, with the authorization of Underwriters’ Laboratories, Inc., indicating that the labeled product: (a) has a rating based on the performance tests of such products; (b) is from a production lot found by examination to be made from materials and by processes essentially identical to those of representative products which have been subjected to appropriate fire, electrical hazard, or other tests for safety; and (c) is subject to the reexamination service of UL.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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* When purchasing a space heater, look for the UL label.
For manufacturers, UL label represents the most convincing and authorized indicator of product safety around the world.
The topics at a lighting conference can be as varied as an Underwriters Laboratories representative's experience creating the UL label for the very first LED luminaire, to a lobbyist who works throughout the country to assist with legislation on lighting-related matters.
For example, many customers look for the UL label on products they plan to purchase, as I did for the decorative light strings I purchased during the past holiday season.
I mentioned that we might run only half a dozen of a specific model in a year, which causes forecasting nightmares for our label vendors, since we have the month and year of manufacture on the UL label. So you can imagine the jumping through hoops that has to be done if an order comes in close to the end of the month for something we don't run very often."
Any UL-listed cord will carry a UL label near the female end.
The UL label appears on 19 billion consumer products a year, advising consumers that the items are not considered to carry a risk of electric shock or other problems.
Because UL technicians often frequent the off-site factories, off-site procedures typically receive the UL label of application approval.
At stake is the right to put the little UL label on the product when it goes up for sale.
The mere presence of a UL label does not demonstrate that a product is safe." (5)
Placement of a UL label is voluntary for manufacturers while CE mark placement is mandatory for manufacturers to offer products for sale or distribution in the European Union.