This depends on the specific type of non-metal. For example, many types of ceramic are very poor electrical conductors. However, there are also electrically conductive ceramics, and semiconductors are also non-metallics. Salt solutions can also be electrically conductive. read more
Graphite (an allotrpoe of carbon) is a well known nonmetal which is a very good conductor of electricity. Account of that silicon, germanium also conduct electricity in moderate way thats why they are also called semi-conductors. some solutions like acid, base, or salt in water also conduct electricity. read more
This depends on the specific type of non-metal. For example, many types of ceramic are very poor electrical conductors. However, there are also electrically conductive ceramics, and semiconductors are also non-metallics. read more
These two elements are the best conductors in the metalloid group. Carbon conducts electricity and is classified as a semi-metal when in the form of graphite. Although it conducts electricity and heat like a metal or metalloid, graphite is not used commercially as a conductor. read more