Carr & Duff
Huntingdon Valley, PA 19006
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Our Story
Carr and Duff 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.
Regions & Counties Serviced
- Pennsylvania-Eastern
Delaware All
Maryland All
New Jersey All
New York All
Pennsylvania All
Our CSI Codes
02 31 26 - Electrical Resistivity Investigations
25 05 26 - Grounding and Bonding for Integrated Automation
26 01 10 - Operation and Maintenance of Medium-Voltage Electrical Distribution
26 01 20 - Operation and Maintenance of Low-Voltage Electrical Distribution
26 01 26 - Maintenance Testing of Electrical Systems
26 05 46 - Utility Poles for Electrical Systems
26 06 10 - Schedules for Medium-Voltage Electrical Distribution
26 06 20 - Schedules for Low-Voltage Electrical Distribution
26 06 20.13 - Electrical Switchboard Schedule
26 06 20.16 - Electrical Panelboard Schedule
26 06 20.19 - Electrical Motor-Control Center Schedule
26 06 20.23 - Electrical Circuit Schedule
26 06 20.26 - Wiring Device Schedule
26 06 40 - Schedules for Electrical and Cathodic Protection Systems
26 06 50.13 - Lighting Panelboard Schedule
26 09 13 - Electrical Power Monitoring and Control
26 10 00.00.01 - Medium-Voltage Electrical Distribution
26 18 13 - Medium-Voltage Cutouts
26 20 00.00.01 - Low-Voltage Electrical Distribution
26 21 00.00.01 - Low-Voltage Overhead Electrical Power Systems
26 43 13 - Transient-Voltage Suppression for Low-Voltage Electrical Power Circuits
26 56 13 - Lighting Poles and Standards
26 56 19 - Roadway Lighting
26 56 68 - Exterior Athletic Lighting
27 01 10 - Operation and Maintenance of Structured Cabling and Enclosures
27 01 20 - Operation and Maintenance of Data Communications
27 05 13.23 - T1 Services
27 05 13.33 - DSL Services
27 05 13.43 - Cable Services
27 05 26 - Grounding and Bonding for Communications Systems
27 05 28 - Pathways for Communications Systems
27 05 46 - Utility Poles for Communications Systems
27 06 10 - Schedules for Structured Cabling and Enclosures
27 06 20 - Schedules for Data Communications
27 06 30 - Schedules for Voice Communications
27 10 00.00.01 - Structured Cabling
27 11 23 - Communications Cable Management and Ladder Rack
27 13 13.13 - Communications Copper Cable Splicing and Terminations
27 13 23 - Communications Optical Fiber Backbone Cabling
27 13 23.13 - Communications Optical Fiber Splicing and Terminations
27 13 33 - Communications Coaxial Backbone Cabling
27 13 33.13 - Communications Coaxial Splicing and Terminations
27 13 43 - Communications Services Cabling
27 13 43.23 - T1 Services Cabling
27 13 43.33 - DSL Services Cabling
27 13 43.43 - Cable Services Cabling
27 15 00.16 - Voice Communications Horizontal Cabling
27 15 00.19 - Data Communications Horizontal Cabling
27 15 00.49 - Intermediate Frequency/Radio Frequency Communications Horizontal Cabling
27 15 13 - Communications Copper Horizontal Cabling
27 15 23 - Communications Optical Fiber Horizontal Cabling
27 15 33 - Communications Coaxial Horizontal Cabling
27 21 13 - Data Communications Firewalls
31 63 29.16 - Cased Drilled Concrete Piers
33 71 13.13 - Precast Concrete Electrical Utility Towers
33 71 13.23 - Steel Electrical Utility Towers
33 71 13.33 - Wood Electrical Utility Towers
33 71 16 - Electrical Utility Poles
33 71 16.13 - Precast Concrete Electrical Utility Poles
33 71 16.23 - Steel Electrical Utility Poles
33 71 16.33 - Wood Electrical Utility Poles
33 71 36 - Extra-High-Voltage Wiring
33 71 36.13 - Overhead Extra-High-Voltage Wiring
33 71 39 - High-Voltage Wiring
33 71 39.13 - Overhead High-Voltage Wiring
33 71 49 - Medium-Voltage Wiring
33 71 49.13 - Overhead Medium-Voltage Wiring
33 72 33.26 - Substation Metering
33 72 43 - Substation Control Wiring
33 79 23 - Utility Substation Grounding
33 81 19 - Communications Utility Poles
33 81 23 - Aerial Cable Installation Hardware
33 82 13 - Copper Communications Distribution Cabling
33 82 13.13 - Copper Splicing and Terminations
33 82 23 - Optical Fiber Communications Distribution Cabling
33 82 23.13 - Optical Fiber Splicing and Terminations
33 82 33 - Coaxial Communications Distribution Cabling
33 82 33.13 - Coaxial Splicing and Terminations
34 21 16 - Traction Power Substations
34 21 16.13 - AC Traction Power Substations
34 21 16.16 - DC Traction Power Substations
34 23 13 - Traction Power Poles
40 95 33.13 - Cabled Process Control Networks
40 95 33.23 - Fiber Optic Process Control Networks
40 95 33.33 - Wireless Process Control Networks
40 95 73 - Process Control Wiring
48 70 00.00.01 - Electrical Power Generation Testing
48 71 16 - Electrical Power Generation Current Test Equipment
48 71 19 - Electrical Power Generation Power Test Equipment
48 71 23 - Electrical Power Generation Resistance Test Equipment
48 71 26 - Electrical Power Generation Voltage Test Equipment
Project Experience
- Union
- Prevailing Wages (Davis Bacon)
- Public
- Private
- New Projects
- Alterations/Renovations
- Interior Fit-Ups
- Service Work/Repairs
- Projects Up to $20,000,000
Gallery
Services
Temple Health – Jeanes Hospital Substation
Trenton Makes the World Takes
Pemberton Borough Utility Distribution Relocation
