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11.3.2 A clamp may be used on Types SPT-1, SPT-2, SVT and SVTO flexible cords protected by
1 ^+ q; Q2 W$ d3 C0 f/ R* o: t. k5 Fvarnished-cloth tubing, phenolic, vulcanized fiber or the equivalent under the clamp, if the strain relief
9 u! `1 w+ F/ @7 s$ | Cassembly complies with the requirements in 54.3. Thermoplastic tubing is not acceptable over8 P5 S5 I1 d3 d/ O& ^6 ~7 g& w
thermoplastic cords.
! }4 Y: b/ |; W6 P! Q* _6 TException: A non-metallic clamp may be used on Types SPT-1, SPT-2, SVT, and SVTO flexible cords
0 G5 I# D- y# b6 ?" @& c5 [without tubing, fiber or equivalent protection under the clamp if it complies with the requirements in 54.3.
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11.3.2说如果加绝缘套就可以直接使用在SPT-1, SPT-2, SVT and SVT,但是Exception说的很明确,如果是非金属的clamp,就不需要加绝缘套了,那么金属Clamp是必须加绝缘套的,而且满足54.3的测试即可。. A9 J* T) f s* a3 h
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