Product Supplier to the Electrical Construction Industry


What's new at Primary Electric Supply

Our business philosophy is simple...We earn your business every day by honoring our commitments and delivering quality products accurately on time, every time.

Expanded Availability of Medium Voltage Products

MV Cable and Accessories Product product additions

Complete Product Offering

Primary Electric Supply is Maryland's largest stocking distributor of Medium Voltage Cable and Accessories. We have recently expanded our Loadbreak and Deadbreak Elbow product offering to include both 15kV and 35kV Deadbreak. We also added 3M QS4 Splices, Richards Manufacturing R-Stack Elbows and 900AMP Deadbreak Elbows.

3M QS4 Data Sheet
Rihcards-Mfg 15kV Deadbreak Data Sheet
Richards-Mfg 35kV Deadbreak Data Sheet
Richards-Mfg 15kV R-800 600/200 Amp Tap Elbow VIDEO
David Hollis

Primary welcomes a new salesperson

David Hollis has been promoted to the Inside Sales Support Team.

Contact David

Prior to joining Primary Electric Supply, David Hollis was a 7 year veteran of the United States Army. He received the Army Achievement Medal and the Army Commendation Medal both for Meritorious Service. David continued his education and earned graduation honors from the TESST College of Technology in Towson. He has been a loyal member of the Primary Electric Supply team for over 15 years and has worked in the field as a Driver, Warehouseman , and a Medium Voltage Wire and Cable cutting Technician.

Contact David

New Products

Products for the Electrical Construction Industry

Harger Ground Bars in Stock
Ground Bar Data Sheets

Harger Lightning & Grounding provides some of the best grounding and lightning protection products in the world. GBI Ground Bar Kits come pre-assembled with Electrolytic tough pitch copper alloy 110, Mounting Brackets and Glass Reinforced Thermoset Polyester Insulators

Greenfield to Conduit Transition Fitting
EMT to FLEX Data Sheet

Bridgeport now offers a full line of EMT/Rigid to FMC/Greenfield Transition Couplings. You no longer need to assemble multiple fittings, or mount a box to transition between raceways.

AFC MC Luminary Cable
MC Luminary Data Sheet

MC Luminary Cables consistes of MC construction with Solid Copper Conductors, White or Gray Neutral, and a 16 AWG Twisted jacketed pair (Purple/Gray)

Tyco Shear Bolts
Shear Bolt Data Sheets

Tyco Electronics’ Aluminum ShearBolt connectors are range-taking mechanical connectors. ShearBolt connectors are ideally suited for aluminum to aluminum, aluminum to copper and copper to copper applications making them the universal connector solution.