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Half-inch threaded steel conduit fitting, zinc-plated silver finish

L.H. DOTTIE

L.H. DOTTIE SL4550I conduit fitting 1/2 in threaded steel zinc plated

SKU CH-23H3-EGE57

Threaded steel conduit connector, zinc-plated for corrosion resistance, joins 1/2 in conduit runs

  • Product typeCable Management & Conduit
  • Threaded 1/2 in steel connector ensures secure conduit joints
  • Zinc-plated finish resists corrosion for long-lasting electrical installations
  • DOTTIE brand conduit fitting built for reliable cable management
  • Model SL4550I identifies the exact fitting for ordering accuracy
  • New condition guarantees unused, factory-fresh component for immediate use

1/2 in Threaded Conduit Fitting

The L.H. DOTTIE SL4550I is a steel conduit fitting with a 1/2 inch threaded connection. It is designed for electrical installers who need a secure junction point in rigid or intermediate metal conduit systems. The zinc-plated finish protects the steel from corrosion in damp or outdoor locations. This component suits both new construction and maintenance work where threaded conduit entries are required.

Corrosion Resistance and Mechanical Strength

The zinc plating provides a sacrificial barrier that resists rust on the steel body during normal service. The threaded joint creates a tight metal-to-metal seal that maintains grounding continuity without additional bonding jumpers. No moving parts or seals are present, so there is no operational noise or thermal load to consider. The fitting simply channels and protects conductors within the raceway.

Ready-to-Install Component

The fitting arrives as a single-piece connector with no separate gaskets, locknuts or bushings included. Installers supply their own thread sealant or tape if a weathertight seal is specified by local code. No software, firmware or configuration is involved. The accessory simply threads onto the conduit or hub to complete the raceway.

How it compares

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

Price $76.99
Pricier than about 80% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameDOTTIE
Product typeCable Management & Conduit

Questions about this item

How do I install the SL4550I conduit fitting on a 1/2 in threaded conduit run?

Thread the zinc-plated steel fitting onto the conduit by hand until snug, then tighten with a wrench one additional turn; the step often missed is ensuring the threads are clean and free of burrs before starting.

What maintenance or replacement will the SL4550I fitting need over time?

Inspect the zinc plating periodically for white rust or corrosion, especially in damp locations; replace the fitting if the plating is breached or threads show galling.

What is the first limit that appears when the SL4550I fitting is under sustained mechanical stress?

The zinc-plated steel threads will gall or strip before the conduit body yields, so over-torquing during repeated disassembly is the practical limit.

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