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That's normal, and definitely comply with UL's listing mark requirements.! s' O; x0 g9 l" G) [$ W* g* U
For UL listed products: 4 elements is the necessary requirements:
: A; q5 k. Q: f) u6 R- t( |1. "UL" with a circle;0 v4 ~# b4 s8 c" S; t
2. "Listed";( l4 A9 j- R- p8 X/ p
3. Product identity: Receptacle;
" t" a$ c4 O* l3 Y4. Control No.: 264B(normally 4 digi-characters)
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* [6 a6 O& S& F- V6 ASo 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.
1 H( {# L6 P$ g
; B4 c' }) `( g; wAs to the standards, I can not remember it, but could be UL498 or UL1977... |
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