Catalog Number grp-280SPMB-281SPMB

Bridgeport's Mighty-Merge® SPMB Transition Couplings


We’re always innovating new products to solve your in-the-field problems.

Time Saver

This fitting was designed to make your job easier by saving you time.

For use transitioning between EMT and AC/MC/MCIA or 3/8 FMC; These zinc die cast couplings are ideal for transitioning fixture whips above a drop ceiling for continuing a run of MC down the wall to emergency lights.

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Dimensional Data Product Information
Catalog Number DIM. A DIM. B UPC Item number Trade Size
Catalog Number 280SPMB DIM. A 1.93 DIM. B 1.1 UPC Item number 71280 Trade Size 1/2"
Catalog Number 281SPMB DIM. A 1.93 DIM. B 1.39 UPC Item number 71281 Trade Size 3/4"
Product details
UPC Number
Certifications & Codes
UL File Number
Nema Standard
UL Standard
Patent Number
8,487,197; 8,274,000
Compliance Documents