深圳市寰标检测技术有限公司 副总经理 UL认证标识 | UL标识是北美市场安全认证标识之一,常见的UL标识有三种,主要是兄字标、Listed和Classified。三种标识各代表不同的意思,对应不同的UL认证。 发布于 2023-08-24 14:34・IP 属地广东 写下你的评论... ...
UL Listed –has been tested and certified to meet OSHA safety standards UL Classified –UL 969 certified UL Certified –also known as “Enhanced Mark Labels” UL Label Considerations To establish UL certification, manufactures must submit label products for testing and evaluation and label construction...
UL classified For different types of UL services, the UL Mark can be divided into three categories, the LISTED listing mark, the Classified classification mark, and the Recognize part certification mark. UL’s services are based not only on the US UL standard but also on the Canadian Standard...
Network traffic is analyzed and classified using DNS (Domain Name System) packets and HTTPS- (Hypertext Transfer Protocol Secure-) based traffic. Once traffic is classified, the connection based on the server’s IP, TCP port connected, domain name, and server name inside the HTTPS connection is...
Products that are certified to a limited range of hazards, or for use under specific conditions are termed "UL Classified." Alternatively, any of these products can be "UL Certified" and bear the UL Certification Mark. It is important to distinguish the difference between "UL Listed" and "...
TheULEPHmarkappearonproductsthathavebeenevaluatedtoEnvironmentalandPublicHealthStandards.TheClassifiedversionisusedforproductscomplyingwithANSI/NSFStandardsandotherfoodequipmenthygienecodesandrequirements.ExamplesincludeFoodServiceandMeatandPoultryPlantEquipmentandDrinkingWaterAdditives.TheListedversionistypicallyusedforproductscom...
There are several plant PEPC copies that are classified into photosynthetic (C4 and CAM) and non- photosynthetic isoforms [52]. In eudicots, there are three distinct lineages that encode PEPC, which are called PPC-1E1, PPC-1E2, and PPC-2 [20]. Accord- ing to the Uniprot database,...
The voltage unbalance compensation strategy can be broadly classified into either passive or active strategies. The passive strategy [52-56] utilises capacitive shunt compensation as well as phase balancing without deploying power electronic devices to correct load unbalance and overloads in the distribu...