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Three-inch threaded steel conduit connector with zinc-plated finish

L.H. DOTTIE

L.H. DOTTIE 45300 3 in Threaded Steel Zinc Plated conduit

SKU CH-C7ZT-F2THG

A 3-inch threaded steel conduit fitting with zinc plating for cable management

  • Product typeCable Management & Conduit
  • 3-inch threaded conduit fitting connects large-diameter runs
  • Steel construction with zinc plating resists corrosion in damp locations
  • DOTTIE brand conduit accessory built for commercial electrical installations
  • Threaded design allows secure joining without welding or adhesives
  • 45300 model fits standard 3-inch rigid or IMC conduit

L.H. DOTTIE 45300 Threaded Conduit

This L.H. DOTTIE 45300 conduit is a 3 in threaded steel fitting with a zinc-plated finish. It connects and protects electrical wiring runs in commercial and industrial installations. The component suits electricians and maintenance teams who need a durable, code-compliant raceway accessory. It is supplied new and ready for immediate installation.

Sustained-load behaviour

The steel body and zinc plating resist corrosion and mechanical stress during long-term service in damp or exposed locations. Threaded joints maintain a secure bond when conduit sections expand and contract with temperature cycles. The fitting preserves electrical continuity and physical alignment without deformation under continuous operational loads. No moving parts are present to wear or fatigue over time.

Pre-installation checks

Verify that the existing raceway uses 3 in threaded entries matching this connector's specification. Confirm the conduit material and wall thickness are compatible with steel threaded fittings. Ensure the installation environment suits zinc-plated steel for the required service life. Check local electrical codes for any additional bonding or grounding requirements before ordering.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $249.99
Pricier than about 93% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameDOTTIE
Product typeCable Management & Conduit

Questions about this item

How much heat does the 45300 conduit generate during continuous use?

The 45300 is a passive steel conduit fitting with no electrical components, so it produces no heat during operation.

What tools or fittings are required to install the 45300 threaded conduit?

You need compatible 3-inch threaded conduit or pipe, a pipe wrench or strap wrench, and thread sealant or PTFE tape for a watertight joint.

Can the 45300 zinc-plated steel connector be used with older galvanised conduit systems?

Yes, the standard 3-inch threads match legacy galvanised conduit, though dissimilar metals may accelerate corrosion in damp environments.

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