Customer Login Request Online Account Setup Become a Mars Customer

Products Spotlight

Bridgeport Mighty-Merge® Transition Fittings

EMT to Duplex AC/MC CouplingSet Screw EMT to cable type transition fittings ideal for commercial an institutional facilities. The Mighty-Merge® transitions are used to securely join EMT to multiple AC/MC/MCI-A/HCF/HCFMCI-A cables or FMC. Patented

Product details

  • Catalog number: grp-4156-DC-4157DC
  • UPC number: 78174794156
  • Primary Materials: Zinc Die Cast

Certifcations & Codes

  • Ul File number: cETLus Listed
  • UnSPSC: 39131707
  • Patent number: D581,877; 7,402,752; D699,195

View Product PDF

Part #4156-DC
Part #4457-DC

Online Billing Portal

We have moved to a paperless invoicing system to make receiving, paying and managing your Mars Electric invoices easier.

Learn more


OE Touch, the Mars Mobile App updated for iOS8!
Learn more

Mars Electric can now handle your lamp and ballast recycling needs.
Learn more

What Should You Do? We Have The Answers! See A Mars Electric Sales Associate For Details.

Product Spotlight

Bridgeport Mighty-Merge® Transition Fittings
Read more

Current Promotions

RAB Edge-Lit LED Panels
Read more

LSI Site Lighting Poles
Read more

Panasonic Whisper Ceiling™
Read more

Monthly Event

Super Bowl Gridiron Game
Read more