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When a surge occur, it peaks at above the maximum supply voltage, like in the event of a lightning strike for instance. This can damage household appliances that are designed to operate at a certain AC supply voltage.

So a surge diverter actually diverts excess voltages to ground to protect appliances.

A good link to read is:

http://electronics.howstuffworks.com/everyday-tech/surge-protector1.htm

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What is surge filter?

A surge filter is a device designed to protect electrical equipment from power surges and spikes. It works by diverting excess voltage to the ground to prevent it from reaching sensitive electronics, such as computers or TVs. Surge filters are often used in conjunction with surge protectors to provide comprehensive protection against electrical disturbances.


What is meant by a surge limiter?

A surge limiter (or surge suppressor) can be installed into your electrical panel to help protect your home from dangerous electrical spikes. It is usually installed in conjunction with a lighting arrestor. You can also buy single use surge protectors for sensitive appliances, such as computers, tv's, and stereo systems.


Will GFCI prevent surge damage?

No, GFCI (Ground Fault Circuit Interrupter) outlets are designed to protect against electrical shock hazards, not surge damage. For surge protection, you would need to use surge protectors or whole-house surge protection devices.


Why should you not plug a surge protector into an extension cord?

As long as you don't over load the wall socket you can have a mile's worth of extension cord. <<>> You can not have a miles worth of cord as the voltage drop would be so high on a #14 wire that there would not be enough voltage to run the computer. Make sure that the extension cord has a ground wire in it so that the ground wire is continuous from the receptacle to the surge protector to the computer.


Will a surge protector last longer if it's unplugged from the wall outlet during an electrical storm?

Possibly, but that's kind of missing the whole point of a surge protector. The surge protector exists to protect the things that are plugged into it. If you're not using those devices anyway during the storm, sure, go ahead and unplug the surge protector... but you could also have just unplugged the devices themselves from the wall and not bought a surge protector in the first place. Also, storms don't directly damage surge protectors. Stopping surges damages surge protectors. If there's no surge, it doesn't matter if the surge protector is plugged in or not.

Related Questions

What is surge divertor?

Surge diverters are normally located on the terminal pole of an overhead line system, and are intended to protect terminal equipment (e.g. transformers, cables, etc.) from sudden surges in voltage. Each of the line conductors is normally connected to earth, via the surge diverter. Under normal circumstances, the internal resistance of the surge diverter is high enough to insulate the line conductor from earth. However, if a voltage surge occurs due, for example, to a lightning strike, then the resistance of the surge diverter will collapse, 'diverting' the surge to earth.


Who need to use a diverter valve?

A diverter valve is used in turbocharged car engines as part of a pressure relief system. It helps to prevent a compressor surge as well as reduce the wear and tear on the engine and turbocharger.


How does a bathtub diverter work to control the flow of water between the tub spout and the showerhead?

A bathtub diverter works by redirecting the flow of water from the tub spout to the showerhead when the diverter is engaged. This is typically done by a mechanism inside the diverter that blocks the flow of water to the tub spout and instead directs it to the showerhead. When the diverter is disengaged, the water flows out of the tub spout as usual.


How does a bathtub faucet diverter work to switch the water flow between the tub spout and the showerhead?

A bathtub faucet diverter works by redirecting the water flow from the tub spout to the showerhead when the diverter is engaged. This is typically done by a mechanism inside the faucet that blocks the flow to the spout and redirects it to the showerhead when the diverter is activated.


What is a shower diverter and how does it work in a plumbing system?

A shower diverter is a valve that controls the flow of water in a shower, allowing you to switch between the showerhead and the bathtub faucet. It works by redirecting the water flow from the faucet to the showerhead when you pull up on the diverter knob or lever. This allows you to easily switch between filling the bathtub and taking a shower.


How does a tub faucet diverter work to switch the water flow between the tub spout and the shower head?

A tub faucet diverter works by redirecting the water flow from the tub spout to the shower head when the diverter is engaged. This is typically done by a mechanism inside the faucet that blocks the flow to the tub spout and redirects it to the shower head instead.


How do you replace a shower diverter in a mobile home?

If you are simply replacing the inside parts of the diverter, then you do it just by unscrewing the cap under the handle and pulling out the main ball. If you cannot get the same parts,which may happen if it's old, then you will have to fit an entire new diverter. If you are removing the entire diverter then you must remove enough of the tile etc, and wall to expose all connections. I have done a few and generally cut all 4 pipes about 6" away from the diverter. I then fit the new diverter in place and make the pipes meet the diverter with short sections of PEX joined to the old pipes with brass compression fittings, and to the diverter with PEX MIP fittings.. Test thoroughly before restoring any parts of the wall. Once you are certain it all works perfectly you can restore the wall and tiles.


Is the diverter leaking in your plumbing system?

Is the diverter leaking in your plumbing system?


How can I replace a tub diverter?

To replace a tub diverter, you will need to turn off the water supply to the tub, remove the diverter handle and trim plate, unscrew the diverter valve, and install the new diverter valve in its place. Finally, reassemble the handle and trim plate.


How do I go about performing a bathtub diverter replacement?

To perform a bathtub diverter replacement, first turn off the water supply to the bathtub. Remove the diverter handle and plate, then unscrew the diverter valve. Install the new diverter valve and reassemble the handle and plate. Turn the water supply back on and test the diverter to ensure it is working properly.


How can I replace a shower diverter?

To replace a shower diverter, you will need to turn off the water supply to the shower, remove the diverter handle and trim plate, unscrew the old diverter valve, and install the new diverter valve in its place. Finally, reattach the trim plate and handle, and turn the water supply back on to test the new diverter.


Can you change from tub spout diverter to diverter on the control?

NO - you would have to change valve out