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Why Are There Three Wires in Electrical Power Lines?

Have you ever wondered why power transmission lines sometimes have three cables or a set of three?

The law of electricity states that for electricity to flow through a conductor, the conducting material must provide a closed path for the current to flow. A closed path can be created with only two wires. Look at the
 plug of your computer or the plug of your TV. There are two metallic conductors.

Sometimes there is a third for ground.

Is it the Ground Wire?
No, it's not the ground wire. There is a fourth separate wire for the ground. Usually it is thinner and distant from the set of three. The fourth ground wire is also used to prevent lightning from striking the main power cables.

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How to Remove the RVHOST.EXE Virus

The RVHOST.EXE is a worm and a possible security risk. Although there is no reported threat about the RVHOST.EXE virus, it is recommended that it be removed from your system.

RVHOST.EXE is observed to show the following behavior:

1. Disables task manager (taskmgr) or auto-closes the window
2. Auto-closes the Microsoft configuration (msconfig) folder
3. Adds registry entries
4. Adds  itself in the windows start-up list (automatically starts when windows starts
5. Infects External Storages by creating autorun.inf files
6. Adds a process with image name RVHOST.EXE
7. Disables Registry editing

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