Related Clues:

• '+' pole
• Electricity carrier
• Nicad's cadmium component
• Eavesdropping device
• Negative end
• Undercover cop's microphone
• Word with hay or live
• Certain terminal
• Infiltrator's device
• Dry cell part
• Cell part
• Positive end
• Current carrier
• + end, e.g.
• Spying device