Sixty metres of electrical cable have been stolen from a property in the Killane area of Ballaugh.
It was taken sometime between Sunday and yesterday.
A police spokesman said: 'Did you see any strange vehicles in the area?
'Did you see unusual lights from vehicles at night or have you seen people looking out of place during the day and night? If so, we would like to hear from you.'
Call Ramsey police station on 812234 or alternatively call Crimestoppers on 0800 555 111.