Standard rigid threaded conduit fittings can be used with I.M.C. Electrical metallic tubing is not threaded, and must be connected to junction boxes and the like with conduit connectors that secure to the tubing by means of a set screw or collet and nut; then the connectors have integrated shoulders and threads that secure to the box with a nut.
â¢ World is used to indicate a place or the area within the planet earth. World can indicate a place or area that is outside planet earth too if humans happened to live there. World is also used to refer to physically non-existent places such as the dream world. â¢ The word earth indicates the planet called the Earth. The word world is used as a noun and an adjective. As an adjective world means relating to the world or involving the entire world. For example, the world food crisis. â¢ The word earth is used as a noun and a verb. As a verb earth means to connect a circuit or a device to earth.
Difference Between Earthing and Grounding. Earthing vs Grounding. Earthing and Grounding are basically same in concept. Difference between Earthing and Grounding is one of the most confused and misunderstood concepts.