Power Cord Extension Set for Decibel Meter Signs Available In8-ft. Power Cord and 10-ft. Extension Choose Your Options SKU: SC158807 Enter Quantity Add to cart Add a Bookmark Price QuantityPrice for 8-ft. Power Cord and 10-ft. Extension 1 +$31.99 Description Text Description This power cord extension set replaces the 5-ft. power cord that is used with Decibel Meter Signs. This power cord is 8-ft. long and comes with an additional 10-ft. extension cord for increased versatility.