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That's normal, and definitely comply with UL's listing mark requirements.
4 x* R) g$ X; N/ M7 W& D& MFor UL listed products: 4 elements is the necessary requirements:
! G. k* G! n# q3 a1 Q2 G; j- y1. "UL" with a circle;/ S9 a- _- F% V
2. "Listed";# x& y. m5 W3 Y8 t
3. Product identity: Receptacle;) c; s) b& }, s% M
4. Control No.: 264B(normally 4 digi-characters)" \/ z: t; U2 I% X' H9 J [: j/ O
! R, P2 W, i; y% k- [
So 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.: n& h) P3 X8 ~7 B- E
* W1 i& k \* g9 ^% }As to the standards, I can not remember it, but could be UL498 or UL1977... |
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