Related Clues:

• Receptacle for plug
• A plug fits into it
• A plug goes into it
• Receptacle where something is inserted
• Receptacle for a plug
• Cavity for plug
• Cavity for a plug
• Plug hole?
• Bulb setting
• It'll keep an eye on you?
• Hole for plug
• One to receive plug
• Light bulb holder
• Plug receiver
• Counterpart to a plug