Imagine if the song Back In Black just kept hitting you and hitting you, until you stuck up your hands and screamed, I give up! That's Flick of the Switch. The last GREAT AC/DC album and easily the second best (right after Back In Black) of the Brian Johnson era.
A surge arrester is device that intercepts electrical surges and sends the spike to ground before it can hurt a connected device.These arresters are also known as surge protectors or lightning arresters, but there are some very small differences between these devices.his will stop the surge, but it also destroys the device. If the arrester is improperly installed, this fusion can cause more problems than the initial surge. The differences between a surge arrester, a surge protector and a lightning arrester are very minor.
Pressure Washer Unloader Valve-Pressure Regulator. The pressure cleaner's unloader valve functions as a safety device. Unloader valves control the direction of the flow of water exiting the pump. A positive displacement pump always delivers water, regardless of whether the spray gun is open or closed. âFlow Actuatedâ unloader valves respond to the interruption of water flow to the nozzle. 2  These valves sense any decrease in flow from the valve to the spray gun and initiate the bypass loop in response. 3  Unlike Trapped Pressure valves, no pressure is trapped, so no âkick backâ occurs when water is re-released.