Alpha Wire spools will have the required UL (RU), CSA and other required symbols on the spool for traceability and audit requirements.
3053/1 BK005 is an example number and will have below information on the reel:
ALPHA WIRE E163869- RU AWM STYLES 1569 105C*
OR 1007 80C VW-1 300V 20 AWG ---- LXXXX CSA
TR-64 90C FT1 ROHS
{0} * = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]