UL507 A pedestal intended for ceiling fan mounting? 54 章节?
In addition to the requirement in 54.1, a pedestal intended for ceiling fan mounting that is 1.68 m (66inches) high or more and that also weighs 11.34 kg (25 pounds) or more shall not tip over when placed
as intended on a horizontal surface and subjected to a force of 44.48 N (10 pounds) applied horizontally
at a point farthest from the horizontal surface up to a maximum of 1.52 m (5 feet).
pedestal 用作吊扇安装? 什么东西呀,没见过?
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