Erta Ale is a remote and rarely visited volcano that is known currently to have an active lava lake in its summit crater. Erta Ale has undergone seven eruption events in the past 125 years.
Re: What are the differences between Signal ground, Chasis ground and Earth?? Signal Ground is a reference point from which that signal is measured, due to the inevitable voltage drops when current flows within a circuit, some 'ground' points will be slightly different to others. There may be several signal grounds in a circuit.
zGrounded vs. grounding in an electrical. system. Grounded system refers to a. system where a conductor is grounded. and is intended to or may carry current in. the normal operation. The neutral on a. wye system is a prime example of a. grounded conductor. zThe grounding conductor system is not.