TayMac RLB300 Threaded LB Conduit Body 3 in - Durable Die Cast

In this review the TayMac RLB300 Threaded LB Conduit Body is evaluated for electricians and contractors who need a sturdy 3 in conduit access point. The bottom line: it is built to last and performs exactly as intended for routing rigid conduit where a threaded LB is required. Customers point to the solid machining and reliable fit of ports; this review focuses on build quality, gasketing, and how the stamped cover and combination head screw hold up in real installations.

Key Features

• Die cast aluminum construction: Provides a durable housing that resists deformation on job sites and maintains alignment of conduit threads for easy mating.
• Premium powder coat finish: Helps protect the surface from scratching and corrosion during handling and short-term outdoor exposure.
• NBR synthetic rubber gasket included: Creates a reliable seal at the cover interface to reduce ingress of dust and moisture in typical indoor and sheltered outdoor applications.
• Stamped aluminum cover: Keeps the overall assembly lightweight while allowing easy access to pull points and wiring bends.
• Combination head screw: Permits both Phillips and slotted drivers to open the cover quickly on the job without special tools.

Who It's For

The RLB300 is aimed at professional electricians, maintenance technicians, and knowledgeable DIYers who need a threaded LB conduit body sized for 3 in rigid conduit runs. It is particularly useful where a durable metal body and a gasketed cover are preferred for repeated access and clean ports.

Those who need nonmetallic bodies for corrosive environments or a sealed NEMA 4X rated enclosure should look elsewhere; this product suits conventional mechanical protection and access rather than specialized chemical or long-term submerged exposure.

Pros & Cons

Pros

• Sturdy die cast aluminum body offers dependable mechanical protection and good thread alignment.
• Included NBR gasket improves dust and moisture resistance compared with non-gasketed covers.
• Premium powder coat finish and stamped cover keep weight low while resisting typical site wear.

Cons

• Not intended as a fully submersible or extreme-corrosion solution; for harsh chemical or marine environments a specialized material is preferable.

Specifications

Our Verdict

The TayMac RLB300 is a solid, no-nonsense threaded LB conduit body that delivers dependable mechanical protection and convenient access for 3 in rigid conduit runs. Its combination of die cast aluminum construction, powder coat finish, and NBR gasket make it a practical value for electrical professionals who want a well-machined, serviceable access point without paying for specialty materials.

Frequently Asked Questions

Is the cover gasket included?
Yes, the unit includes an NBR synthetic rubber gasket to improve resistance to dust and moisture.

What size conduit is this for?
This product is a 3 in. Rigid LB Assembly designed to work with 3 in threaded rigid conduit.

Where is it manufactured?
The product is manufactured in China by TAYMAC.