hes meaning just trace 8ch.net
not 8ch.net/patriotsfight
they are required for any electrical devices used by any building or environment that has to be codified for building conditions.
Personal use products sometimes dont need them (cant get insured if not)
Any devices used in building or and codified situation needs them.
sauce: EE undergrad, and current manager of an electronic controls company (ive had to get multiple products UL approved)
Thats for Canada,
*EUROPE sorry not canada
well depends on the codes in your area. some are more lax and allow less well known approval companies, but in the USA, typically UL approval is the standard.
yeah i call bs on no equiv mark as well