8. Add the distance of your answer to the position of the first mark and make the second mark. In this case, 6 inches plus another 6 inches places the second mark at 12 inches.
Breaking capacity or interrupting rating is the current that a fuse, circuit breaker, or other electrical apparatus is able to interrupt without being destroyed or causing an electric arc with unacceptable duration.reaking capacity current corresponds to a voltage, so an electrical apparatus may have more than one breaking capacity current, according to the voltage.
For example, a breaker panel of 100 amps will only allow 100 amps of electricity to flow through it without tripping. Theyâre also identified by the number of circuits they accommodate. For example, a 150-amp, 30-circuit panel can handle 150 amps of electricity with room for 30 circuit breakers.â¢ When replacing your panel youâll want to match the amperage capacity of your current model, or if your. power needs have grown, upgrade to the capacity you need.ain breaker panels have a built-in main breaker which can be used to shut off all power to your residence. A main breaker is a large double-pole circuit breaker that limits the amount of electricity coming in from outside to protect the circuits it feeds. It also identifies your breaker panelâs amperage capacity.