Black Decker STHT77406 Stud Finder Ac Wire Detection

Product Description

The BLACK DECKER STHT77406 is a handheld stud finder designed to locate wood and metal studs through surface materials up to 0.75 inches deep. An LCD screen displays sensor readings clearly during scanning. The unit also includes AC detection capability, identifying live electrical wires up to 2 inches deep. Electricians, drywall contractors, and general trades use this tool during rough-in inspections, fixture mounting, and pre-drill surveys to avoid fastening into live circuits or missing framing members.

The STHT77406 suits residential and light commercial applications where wall framing must be identified before mounting hardware, running conduit, or hanging fixtures. It is well suited for work on standard drywall and similar finished wall assemblies where stud location and wire avoidance are required before drilling or fastening.

Key Features

• Detects wood and metal studs through up to 0.75 inches of surface material
• AC wire detection identifies live wires up to 2 inches deep
• LCD screen displays sensor readings for clear, real-time feedback
• Compact handheld form factor suited for field and jobsite use

Compatibility

Designed for use on standard drywall and finished wall surfaces in residential and light commercial construction applications.

Installation Notes

This tool is used by electricians, drywall installers, and general contractors prior to drilling or fastening into walls. Always confirm AC detection readings before cutting or drilling near suspected wire locations. Keep the sensor flat against the wall surface and move slowly for accurate stud edge detection. Follow applicable NEC guidelines when working near live electrical circuits.

Technical Specifications

• Stud Detection Depth: 0.75 inches
• AC Wire Detection Depth: 2 inches
• Display: LCD
• Stud Material Compatibility: Wood and Metal
• UPC: 076174777208

Standard Information

• Brand: BLACK DECKER
• Manufacturer Part Number: STHT77406