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That's normal, and definitely comply with UL's listing mark requirements.
1 H c7 q* H9 yFor UL listed products: 4 elements is the necessary requirements:
7 |% |4 s: B* Y# q; ~1. "UL" with a circle;* L2 z0 }9 H+ X5 U" ]
2. "Listed";/ E5 a2 g- v& I# _ N
3. Product identity: Receptacle;
# S8 m1 o+ p! i' R2 i4. Control No.: 264B(normally 4 digi-characters)
# f- h& f' T4 X/ [% }7 x
, D' V0 k6 p( jSo 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. I$ N3 l" s! P+ u* u3 p u
# J; v/ D# i5 P! y
As to the standards, I can not remember it, but could be UL498 or UL1977... |
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