eley |
2011-12-07 16:20 |
附UL2556标准相关章节:
4 Insulation and jacket materials tests 4.1 Thickness
4.1.4.2.1 Averaging method The minimum and maximum thickness shall be determined using the procedures described in Clause 4.1.4.1.1 or 4.1.4.1.2. For insulation, measurements shall be made within the irregularities resulting from conductor stranding. For extruded-to-fill jackets, all measurements shall be made within the irregularities resulting from the conductors. If the pin described in Clause 4.1.4.1.1 does not fit within the irregularities, this method is not applicable. |
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