The electrician's main source of information about electrical installation rules and regulations is the

The main source of information is the National Electric Code or the NEC. However, always track changes and amendments to the national electric code as this is the same as any law or regulation. This is universal, however, some states or cities may have their own subset of regulations about the electric code for their residents.

True. And as the rocket becomes lighter it also becomes faster, as the same force that originally lifted the rocket up needs to lift less and less as the rocket burns fuel.