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A19790414说的条文:6 @& P0 Y k' R/ H/ K& M& e
6.9.6 An insulated conductor, including each insulated conductor of a cord, that is rated for 90 °C, 105°C, or 125 °C shall be considered as rated for 150 °C if each conductor is individually provided with supplemental insulation consisting of snugly fitting woven glass fiber sleeving having at least a 0.25 mm (0.010 in) wall thickness or at least two layers of glass fiber tape that provide a total thickness of at least 0.25 mm (0.010 in).
7 ~( K( }1 Y. P' ysnugly fitting woven glass fiber sleeving 应该是指那种表面织有玻纤套管的电线。6 d! w7 X/ ^# K) K! }
另外
/ ] O0 n k, }2 t5 w1 |, Q5.18.1 Thermal insulation shall be fire-resistant material, such as glass fiber, inorganic material, or polymeric material.
) Q9 r/ k: H: g1 e/ o$ b可见,就算不含硅胶,玻纤套管还是有隔热作用。 |
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