Headaches can lead to scalp pain and to pain in any area of the face, neck or head. Several types of headaches may cause scalp pain, such as migraine, sinus headache, tension headache, and those caused by nerve involvement such as occipital neuralgia.
The circuit breaker. The circuit breaker does the same job as the fuse, but works in a different way. A spring-loaded push switch is held in the closed position by a spring-loaded soft iron bolt. An electromagnet is arranged so that it can pull the bolt away from the switch.
Power Circuit Breakers (PCB) break an electrical circuit to isolate faults. They also re-close to make a circuit after the fault is removed. To enable this open and close operation, it is operated by either a remote relay or a local switch. A remote relay is located at a remote location such as a control room while the switch is located inside the circuit breaker junction box.