This primer will discuss the vocabulary of electrical system. At the end of this session, you are expected to know the following. 1. common conductors, insulators, panels, breakers, fuses, and wiring that we find in homes. 2. grounding, why we ground, and proper grounding methods. 3. Bonding, why we bond, and proper bonding methods. 4. Where and what type of switches and outlets should be used and where they should be located.