What is the typical use of a conduit body (LB, LL, LT) in low-voltage installations?

• A. Provide access for pulling conductors and changing direction while maintaining code compliance.
• B. Act as a fuse holder.
• C. Convert AC to DC.
• D. Serve as a weatherproof enclosure for splices.

Answer: (A)

Conduit bodies like LB, LL, and LT are installed in a conduit run to give you access points for pulling wires and for negotiating turns, all while keeping the wiring inside a listed raceway and within code requirements. They provide a removable cover and openings that let you feed conductors through the bend or re-enter the run from another direction without forcing wires through tight bends or creating a difficult pull. In low-voltage work, you use them wherever a run needs to change direction or where you’ll need to add or pull conductors later, and you must keep the body accessible for future pulls.

They aren’t fuse holders, and they don’t perform electrical conversion, so those options don’t fit. They also aren’t intended as weatherproof splices housings—the proper place for splices is a junction box or a weatherproof box if required.