<Li> UL 60950, Information Technology Equipment </Li> <Li> UL 60950 - 1, Information Technology Equipment - Safety, Part 1: General Requirements </Li> <Li> UL 60950 - 21, Information Technology Equipment - Safety, Part 21: Remote Power Feeding </Li> <Li> UL 60950 - 22, Information Technology Equipment - Safety, Part 22: Equipment to be Installed Outdoors </Li>

What does it mean if an electrical appliance has the ul logo on it