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Primary Electric Supply, Inc.

TEXT US 410-485-5343

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Primary Electric Supply, Inc.

TEXT US 410-485-5343

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  • About
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  • New

Medium Voltage Products

5/8KV, 15KV, & 35KV Medium Voltage Cable Accessories In-Stock


If you are unsure about your needs for your next medium voltage project, our expert team will help you every step of the way.


  • Four (4) decades of experience delivers unmatched expertise
  • Key partnerships with the industry's premier suppliers provide you with peace of mind
  • From Medium Voltage cable, terminating kits, switchgear, transformers, fuses, accessories, and more.  We have it all backed up with unmatched service and support

Our Partners

Data Center and Power Utility Products

Load Break Elbows

#2 - 4/0 15kV, 200Amp Loadbreak Elbow
15kV Class 200Amp Parking Bushing
15kV Class 200Amp Bushing Insert
15kV Feed-Thru Inserts
15kV Elbow Lightning Arrestors

Electrical Insulating & Tape Products

Pressure Sensative Glass Cloth Tape
EPR Shielding Tape
Linerless EPR HV Insulating Tape (130C)
Tinned Copper Shielding Tape
Tinned Copper Shielding Strap
Arc & Fireproof Tape (77 & 77W)
Premium Vinyl Tape (33+)
Jacket Repair Tape

Heat Shrink Joints

#6 - 750 MCM 5/8kV Polymeric Cable Splice
#2 - 750 MCM 15kV Polymeric Cable Splice
1/0 - 500 MCM 35kV Polymeric Cable Splice
#2 - 250 MCM 15kV JCN Cable Splice
#2 - 750 MCM 15kV Trifurcating PILC Splice
#2 - 500 MCM 15kV Polymeric WYE Splices

Heat Shrink Terminations

#8 - 1000 MCM 5/8kV Indoor Termination
#8 - 1000 MCM 5/8kV Outdoor Termination
#8 - 750 MCM 15kV Indoor Termination
#8 - 750 MCM 15kV Outdoor Termination
1/0 - 750 MCM 35kV Indoor Termination
1/0 - 750 MCM 35kV Outdoor Termination

Cold Shrink Joints

#2 - 1000 15kV MCM Poly Cold Shrink Splice
1/0 - 750 35kV MCM Poly Cold Shrink Splice (New)

Cold Applied Terminations

#2 - 750 MCM 15kV Indoor Cold Shrink Termination
#2 - 750 MCM 15kV Outdoor Cold Shrink Termination
1/0 - 750 MCM 35kV Indoor Cold Shrink Termination
1/0 - 750 MCM 35kV Outdoor Cold Shrink Termination 

Dead Break Elbows

#2 - 750 MCM 15kV 600Amp Deadbreak Elbows
#2 - 500 MCM 15kV 900Amp Deadbreak Elbows
1/0-750 MCM 35kV 600Amp Deadbreak Elbows 

1/0-750 MCM 35kV 900Amp Deadbreak Elbows
#2 - 750 MCM 15kV (3) & (4) Way Deadbreak Elbows
Reduced Sized Stackable Elbows
Dead Break w/Loadbreak Tap Elbows ETP
15kV & 35kV Class 600Amp & 900Amp Connection Plugs
15kV & 35kV Class 600Amp & 900Amp End Plug
Cable Ground Sheild Adapters
2, 3 & 4 Point Junction Bars

Live End Seals

4/0-500 MCM Live End Seals Cold Applied (New)
2-750 MCM Live End Seals Heat Shrink

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Primary Electric Supply, Inc.

6310 Frankford Avenue, Baltimore, MD 21206

410-488-7300

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Baltimore Ravens Small Business Partner