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The study certainly made an impression on the retailer. “For us as an international fashion brand, it was fascinating to see clear scientific findings that prove the significant influence of light at the POS [point of sale],” said Martin, head of retail operations at Gerry Weber. “The cooperation with wanban was extremely positive and ultimately the key to us understanding and then responding to the led tube light preferences of our target group. We have seen how profitable the tcob mcob cob led tube lighting concept proved in our Herford store, with a marked increase in sales during the test period. In comparison with the reference store, the retail space with the optimized tcob led tube lighting solution achieved up to 80% more turnover.”.integrated led tube t8 60cm 9w 3000k energy saving high power led tube lights tube led t8 g13 24w 1500mm .Testing of the tcob cob mcob led tube light fot t5 t8 led tube involves using a blue flame, which is applied to the specimen at the appropriate exposure times for the desired flammability rating. Total burn time, dripping volume, flaming and glowing combustion levels as well as cotton-ignition levels are all measured according to the rating requirements. For UL 94 V-O certification, a 1-mm-thick specimen is exposed to a 20-mm flame for 10 seconds, removed for 30 seconds, and then exposed again for an additional 10 seconds. The setup for these led tube light tests is illustrated in Fig. 3. Certifications for 5VA require more severe tests with stricter requirements. In these tests, a 125-mm flame is applied to a conditioned square plaque specimen (2.5-3 mm in thickness) for 5 seconds and removed for 5 seconds, repeating the process five times.isolated led tube driver single side power input 3 5 years warranty led t5 tube light g13 warm cold white t5 led tube 2400mm .hot selling in usa 44w 2.4m 8ft tcob and cob led tube lights retrofit tube single pin single row ceiling hanging light led tube light .