6. This material has different sizes and it serves as a path to provide electrical power? A Electric wire B. Electric raceways C Electric circuit D. Electric motor 7. Which of the following coupling are needed to secure the connections? A Connectors B. Condulents C Lock nut D. Sealant 8. Which of the following is essentially a light dependent resistor? A Contactor B. Photo Cell C. Lamp D. Solar cell​