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That's normal, and definitely comply with UL's listing mark requirements.$ n0 j: Q, Q9 M, M1 _; g v
For UL listed products: 4 elements is the necessary requirements:4 q1 u/ l$ _ _
1. "UL" with a circle;, R0 ~( ^7 G- T; Z+ f) h% G0 J J
2. "Listed";
) Y3 J; P/ p; E/ v) |3. Product identity: Receptacle;# _% R, Y- y x% e5 S1 B+ m5 ]
4. Control No.: 264B(normally 4 digi-characters)* f" ?8 O; z! w/ N7 O/ W9 X
* k3 C3 L) C7 T& USo the mark you concerned does comply with UL requirements, and the UL file No. is not a necessary element, and its UL FUS procedure also should describe the requirements as it indicates.
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) g! S- d$ h0 l1 G6 @As to the standards, I can not remember it, but could be UL498 or UL1977... |
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