Well, pvc conduit is nothing but a pvc tube which houses normally electrical cables from damages. The conduits are available in various sizes. If you have a condition to travel cables on walls or underground,these conduits would be the best choice.
It is plastic pipe that protects electric wire from moisture and puncture and is used for the outside. You buy connectors and pipe and glue the fittings for an airtight fit. You purchase these items at the local hardware store
As the word meaning it is the thing which is used to coduct someting. In this case it is used to connect pipes. Both directions are used to connect pipe