1. Breakers which trip frequently are a sign of overloaded circuits. 如果短路器经常跳掉，可能是过载的征兆。
2. But while injuries were common many breakers did not give themselves the needed healing time for they returned to dancing. 虽然受伤是常见的，但是他们返回跳舞之前，许多霹雳舞者没有给自己所需要的愈合时间。
3. Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components; Rules for d. c. circuit-breakers. 铁路设施。机车车辆用电气设备。第3部分：电工元件。直流断路器规则。
