1-1/4 in. Rigid Compression Connector, Threadless, Steel | UL 514B | RT-125
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SKU: RT-125
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CT RT-125 — 1-1/4" rigid compression connector, threadless, zinc plated steel, UL 514B. Terminates unthreaded rigid metal conduit or IMC, trade size 1-1/4 (OD 1.660"), into a box, panel or enclosure with a compression ring and nut. No threading and no turning the pipe. Concrete tight. 90°C. Sized to rigid OD; will not seal on EMT.
| Part No. | RT-125 |
|---|---|
| Trade size | 1-1/4 in — fits RMC / IMC OD 1.660 in |
| Raceway | RMC / IMC, unthreaded |
| Material / finish | Steel body, ring and compression nut, zinc plated |
| Listing | UL 514B threadless fitting (NEC 344.42(B)); concrete tight; 90°C |
| Package | Sold each; box quantities priced through the trade desk |
Cross-Reference: RT-125
| Brand | Part Number | Notes |
|---|---|---|
| RACO | 1805 | Same trade size and fitting type |
| Bridgeport | 3003 | Same trade size and fitting type |
| Conversions Tech | RT-125 | Stocked; same-day shipping on in-stock items |
Crosses match trade size, fitting type and listing class. Verify fit against the manufacturer data sheet for your application. Trademarks belong to their owners. Look up any competitor number on the cross-reference hub.
Where it's used
- Bringing existing rigid into a new panel, gutter or box where the pipe cannot be threaded or rotated
- Repairs and extensions on rigid and IMC runs
- Concrete tight enclosure entries without a threader on site
How to install
Cut square, ream, insert to the stop, tighten the compression nut wrench tight. Install the locknut inside the enclosure wrench tight, then the bushing. Guide: Rigid Compression Fittings Buyer's Guide.
Complete the run — 1-1/4 in.
Rigid compression coupling RTC-125 · Locknut · Bushing · Grounding bushing · Rigid strap
Stocked. Same-day shipping on in-stock items. Volume and trade pricing through the trade desk.
Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
