标题: UL507 A pedestal intended for ceiling fan mounting? 54 章节? [打印本页] 作者: BV211 时间: 2012-8-10 15:53 标题: 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 (66& C! k( @1 \; i4 [
inches) high or more and that also weighs 11.34 kg (25 pounds) or more shall not tip over when placed # v, e; B3 W8 C& Y# | Gas intended on a horizontal surface and subjected to a force of 44.48 N (10 pounds) applied horizontally0 c' v9 p1 I4 o) o" ~( Y7 Y
at a point farthest from the horizontal surface up to a maximum of 1.52 m (5 feet). 4 v# A! g6 {# ]1 n* M 1 o* V7 Z& b, a$ Vpedestal 用作吊扇安装? 什么东西呀,没见过?