Materials: It typically consists of a multi-layer construction, often featuring an aluminum foil core laminated between layers of protective plastic (like polyethylene or polypropylene).
Detectability: The aluminum core allows the tape to be located from the surface using a standard non-inductive pipe and cable locator before digging begins.
Specifications:
Message: "CAUTION: BURIED ELECTRIC LINE BELOW".
Color: Red (the standard APWA color code for electric power lines).
Common Sizes: Available in various widths (typically 3" or 6") and roll lengths (often 1,000 feet)