Solutions Connected to an electric supply has 4 entries with similar clues

• 4-letter words
• gridNetwork of electricity supply lines
• 9-letter words
• heavisideOliver ......, self-taught English electrical engineer, mathematician, and physicist who adapted complex numbers to the study of electrical circuits
• power-cutA temporary interruption in an electric supply
• 13-letter words
• disconnectionRemoval from an electricity supply