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附UL2556标准相关章节:
& Q1 @' ` Z, Q* [, E% M1 ]; {3 Q; h Z
4 Insulation and jacket materials tests/ {9 n6 i! A+ j2 X3 e
4.1 Thickness& ^3 | {2 f' B, S4 w" ^! p* T
" P" H8 m3 p; j+ W7 i8 R4.1.4.2.1 Averaging method6 T. j, Z3 ~( `/ H: J$ [, n
The minimum and maximum thickness shall be determined using the procedures described in Clause
2 k* l' W& j [& K5 u* w4.1.4.1.1 or 4.1.4.1.2. For insulation, measurements shall be made within the irregularities resulting from
! b0 [" C( i0 g; ^8 iconductor stranding. For extruded-to-fill jackets, all measurements shall be made within the irregularities
; w9 [% e! c4 Z& Z! b% i( [resulting from the conductors. If the pin described in Clause 4.1.4.1.1 does not fit within the irregularities,4 r' ^4 ?6 @$ ~( p& U. s% I
this method is not applicable. |
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