Electrical Supplies Distributor to the Maryland and DC Construction Industry

Electrical Construction Products

Primary Electric Supply, Inc. has partnered with the industries most respected Manufactures to offer our customers with an extensive product offering.

ROUGH-IN Products
Contractors spend a large amount of time installing electrical boxes, fixtures, mounts, panels, sub-panels, raceway, and wiring during their project's rough-in phase. By offereing time saving code compliant solutions, we are able to help them save on labor costs and enhance their completion times. Call on our Team to help you select a time saving code compliant rough-in solution to help your next project.

Manufacture Listing

DISTRIBUTION Products
We offer Distribution Products and Equipment engineered to handle today's most demanding residential, commercial, and industrial applications.
We offer:

  • Busway
  • Circuit Breakers
  • Motor Controls
  • Critical Power
  • Low and Medium Voltage Switchgear
  • Motor Control Centers
  • Panelboards & Switchboards
  • Switches
  • Transformers and much more.
  • Manufacture Listing

    WIRE & CABLE Products
    We have a broad offering of cables including, but not limited to, the following:
    AAC, AASCR, ACAR, ACSR, ACSR/T-2®, ALPETH, ASC, AWA, BX, CC_X, CCMC, CCTC, CDC, CHTC, CL2, CL2P, CM, CMG, CMP, CMR, CP, CPE, CSPE, CVMC, CVTC, DSTA, EHTC, EHV, EP, EPN, EPR, EPTC, FEP, FPL, FPLP, FR, FREP, FRF, FRXLPE, G, GC, GGC, HPFF, FPGF, GRSR, J, JX, K, KFF, KG-K, KX, LDPE, LPGF, LS, LT, MG, MGCG, MI, MICC, MP-GC, MTW, MV-105, NMD-90, NPLF, NPLFP, NPLFR, NS-1, NX, OFC, OFCG, OFCP, OFCR, OFNP, PFNR, PFF, PGF, PGFF, PILC, PPP, PVC, PVDF, PVGC, REW, RFH, RFHH, RH, RHH, RHW, RX, SCFF, SCPE, SE, SEW, SEU, SFF, SIA, SIS, SR, STP, TC, TEW, TF, TFE, TFF, TFN, TFFN, TGGT, TGS, THHN, THHW, THW, THWN, TKGK, TKGT, TMMG, TPE, TPR, TW, TK, UD, UF, URD, USE, UTP, VNMC, VNTC®, XFF, XWWH, XLP, XLPE, XLPO, XPT, ZHF, ZW

    Manufacture Listing

    TENANT FIT-OUT Products


  • Modular MC Systems
  • Digital Sub-Meter Packages
  • Receptacles & Switches
  • LED Lighting Retrofits
  • Small Project Gear Packages

  • Manufacture Listing

    GENERAL SUPPLY Products

  • Anchoring Systems
  • Fastening Products
  • Hand Tools
  • Mechanical Supports
  • Test & Measurement
  • Chemicals & Lubes
  • Manufacture Listing

    MEDIUM VOLTAGE Products
    We are the area's largest Stocking Distributor of 5/8kV, 15kV, 35kV Medium Voltage Cable and Accessories for underground & riser applications.


  • Medium Voltage Cables
  • Heat Shrink Splices & Terminations
  • Cold Applied Splices & Terminations
  • 600A Deadbreak Separable Elbows
  • 200A Loadbreak Elbows
  • Job Kitting Services

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