Reducing Bushing · 1-1/2 in x 3/4 in · Threaded reducer · RB15075
Threaded reducing bushing for adapting 1-1/2 in rigid or IMC conduit openings to 3/4 in conduit or male threaded hubs. Steel body with zinc finish for ordinary location conduit work; confirm thread compatibility and code requirements for the installation.
What this product is for
This rigid reducing bushing is used to reduce a 1-1/2 in trade size threaded hub or conduit opening to 3/4 in for rigid conduit or IMC connections. It is commonly selected when a panel, enclosure, fitting, or hub has a larger threaded entry than the raceway being installed.
Use for
Use for threaded rigid conduit and IMC installations in ordinary locations where a 1-1/2 in to 3/4 in reduction is required. Typical applications include service equipment, junction boxes, pull boxes, and enclosure hubs.
Avoid for
Avoid using this part where a non-threaded raceway system is being installed, or where a sealing, bonding, raintight, or hazardous location fitting is specifically required unless the full fitting assembly is listed for that use.
Best for
Best for electricians and contractors standardizing threaded rigid or IMC transitions without changing the enclosure hub size. It helps when existing equipment has a larger hub opening but the branch raceway is smaller.
Installed in
Installed in 1-1/2 in threaded hubs, fittings, or enclosure entries to accept 3/4 in threaded conduit components. Size reference: 1-1/2 in and 3/4 in trade sizes are approximately 38 mm and 19 mm nominal.
Why this product exists
It provides a simple threaded reduction between two conduit trade sizes while maintaining a compact fitting layout. This is a common solution when equipment openings are oversized for the raceway being run.
Compared with similar products
Compared with reducing washers or knock-out reducers, a threaded reducing bushing is intended for rigid conduit and IMC threaded connections. It is typically chosen where a direct threaded reduction is needed rather than a sheet-metal box knock-out reduction.
Specifications
- Product type: Rigid/IMC reducing bushing
- Trade size: 1-1/2 in x 3/4 in
- Approximate metric trade reference: 38 mm x 19 mm nominal
- Material: Steel
- Finish: Zinc plated / zinc finish
- Connection type: Threaded
- System compatibility: Rigid conduit and IMC
- Typical use location: Ordinary locations
- Manufacturer part number: RB15075
- Buying note: Use only with matching threaded components; actual suitability depends on enclosure type, environment, bonding method, and local electrical code.
- MaterialSteel
- Trade Size1-1/2 in x 3/4 in
- Buying NoteUse only with matching threaded components; actual suitability depends on enclosure type, environment, bonding method, and local electrical code.
- FinishZinc plated / zinc finish
- Connection TypeThreaded
- System CompatibilityRigid conduit and IMC
- Approximate Metric Trade Reference38 mm x 19 mm nominal
- Typical Use LocationOrdinary locations
- BrandsWhite Label
- Stock in Elmira4
- Stock in Flesherton19
Aptico Supply Delivery
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Aptico Supply helps electricians, contractors, and commercial buyers get the electrical materials they need without unnecessary delays. Whether you are ordering for a jobsite, restocking service inventory, or arranging pickup, our delivery options are designed to keep work moving.
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Free daily delivery is available for larger contractor accounts.
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Free weekly delivery is available for smaller accounts in select service areas.
- Elmira area delivery: Tuesday
- Flesherton area delivery: Thursday
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Pickup is available from our Ontario locations for customers who prefer to collect their order directly.
- Elmira pickup available
- Flesherton pickup available
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Delivery Questions
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Can I pick up my order?
Yes, pickup is available from our Elmira and Flesherton locations.
Do delivery charges apply?
Delivery charges may apply outside regular local routes, for smaller orders, or for oversized and heavy items.
Can you deliver to jobsites?
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