本人现在学习该标准,遇到不少问题,还望各位大师不吝赐教.小弟谢过了!
1、Terminal plates through which binding head screws or machine screws are threaded.中的terminal plates是否指螺丝的垫圈?
2、multicontact device是指的哪种装置?
3、To prevent incorrect mating of a 3-wire grounding type of attachment plug with a 2-wire device or a 3-wire device, two obstructions shall be provided on a nongrounding outlet device (1-15R) and a single obstruction shall be provided on a grounding outlet device 5-15R, 5-20R, 6-15R, and 6-20R.其中obstruction指的是什么?
