LJX198325 发表于 2011-6-17 08:18

美规接线盒的承重是多少

美规接线盒的承重是多少

LJX198325 发表于 2011-6-18 08:10

是不是50磅

ethan 发表于 2011-8-21 08:44

wwnw_007 发表于 2011-8-21 08:54

好象有帖子讨论过此问题了，具体UL1598标准中有规定的

YONGLIAN 发表于 2012-1-5 20:19

标准制的接线盒

依然 发表于 2012-1-6 09:24

参考UL1598中以下条款：
10.2.5 A luminaire, including lamps, shall be provided with means of support independent of the outlet box and shall be marked and provided with installation instructions in accordance with Table 20.1.1, Items 1.21 and 1.33, if it is:
(a) a ceiling surface type and weighs more than 22.7 kg (50 lb); or
(b) a surface wall-mounted type and weighs more than 11.4 kg (25 lb).

a049405 发表于 2012-1-8 12:20

版主高手啊
页: [1]
查看完整版本: 美规接线盒的承重是多少