Police are appealing for information following the theft of aluminium wiring from a site in Hawthwaite Lane, Barrow.
It happened sometime between 10pm on Tuesday October 26 and 9am on Wednesday October 27.
It is suspected a vehicle was used.
Anyone with information can report online at www.cumbria.police.uk/reportit, quoting incident 138 of October 29. You can also phone 101. Alternatively, contact Crimestoppers anonymously on 0800 555 111.