what is the feature of TB Style Conduit Body?

A TB style conduit body is a type of electrical conduit fitting used primarily to provide access to conductors for pulling, splicing, and maintenance. Here's a breakdown of its main features:

Key Features of TB Style Conduit Body:

TB stands for Tee Back:

It has a T-shaped body with a back-side access cover (opposite the straight-through run).

The conduit enters from the left and right sides (straight run), and the access is from the back.

Usage:

Ideal for tight spaces where access is needed from the back rather than from the top or side.

Common in wall-mounted conduit runs where front or side access isn’t feasible.

Conduit Types:

Compatible with rigid metal conduit (RMC) and intermediate metal conduit (IMC).

Also available for EMT (Electrical Metallic Tubing) with compression or set-screw fittings.

Material Options:

Typically made from aluminum, die-cast zinc, or malleable iron.

Corrosion-resistant coatings or versions are available for outdoor or wet locations.

Covers and Gaskets:

Usually includes a removable cover and may have a neoprene gasket for moisture sealing (for weatherproof models).

Labeling & Standards:

Marked with volume (in cubic inches) to help ensure compliance with NEC (National Electrical Code) box fill calculations.

UL-listed and meets various electrical code standards.

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