|
标准有说的:. ?" l+ U" {9 X: ]- w# z
9.2第6段:
7 @& y& v6 q- ELuminaires shall be mounted and wired as in normal use and placed in the most unfavourable# Q. ]: y# t* M+ ~. e" J) P
position, complete with their protective translucent covers, if any, for the tests of 9.2.0 to 9.2.9.& w0 T- l/ t8 {2 y, O5 h0 r
' q G8 ]7 N9 w1 h另外,对于起防水作用的螺旋盖:
a; R" t( Y% _; @Screwed lids shall be tightened with a torque having a value in newton metres numerically
0 w: L" B$ u6 a7 K" a" yequal to one-tenth of the nominal diameter of the screw thread in millimetres. Screws fixing
1 E0 Y2 t7 j& Y" _ qother caps shall be tightened with a torque equal to two-thirds of that specified in Table 4.1.
8 i& ^2 f8 L7 p6 m0 J! R2 d, G; _9 k& @$ q' ~8 b3 N# Q
|
评分
-
查看全部评分
|