PA Sunshine Program Approved Solar Electric Installer

Servicing PA, NJ, and DE

Carr and Duff, Inc. is one of Philadelphia's leaders in the electrical / data construction industry.

Carr & Duff is a multifaceted electrical construction company. Headquartered in Huntingdon Valley, PA, with satellite offices in Philadelphia and Jackson, NJ, we have the manpower, equipment and material to service any electrical project. The cross-section of industries we serve shows the variety and diversity of our qualifications and of our people. Our safety and quality assurance program allows us to provide you with the excellence your company requires.

Industries Served

Hospitals / Pharmaceutical

Emergency Generator Installation
Substation Construction & Maintenance
IR Testing
Circuit Tracing

Wireless Communications

Cell Antenna Sites
Transmission Tower Attachments
Mono Poles
Distributed Antenna Systems

Schools / University Campuses

EG Installation
Substation Construction
IR Testing


PA Gaming Control Board Approved
Certified Vendor
Power Distribution
IR Testing
Substation Construction

Refinery / Chemical

IS Networld listed
Utility Poles Construction & Maintenance
Power Distribution
IR Testing


Utility Construction

  • Metering Systems
  • Overhead Distribution
  • Substation Construction

Maintenance Programs

  • Infrared Thermography Testing
  • Transformer Oil Analysis / PCB Testing
  • Switchgear / Substation Testing
    Maintenance, Repair and Inspection

Emergency Service

  • Storm / Disaster Response
  • Emergency Restoration
  • Pole Line Repairs

Going Green

  • LED Lighting
  • Solar Power
  • Power Management