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This Website Uses Cookies By closing this message or continuing to use our site, you agree to our cookie policy. Learn MoreThis website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more.
Audible/visible notification devices from System Sensor, St. Charles, Ill., meet the new compliance standards set by Underwriters' Laboratories for current draw and voltage drop that went into effect on May 1, 2004.
Previously, UL measured current draw post-in rush current and did not take into consideration the in-rush or the peak current. The new measurement standard requires all manufacturers to publish one number that considers the in-rush current, peak current and the average current, measures in root mean squared.
All System Sensor products with a date code after May 1, 2004, comply.
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