33 71 19 Electrical Underground Ducts, Ductbanks,And Manholes Manufacturers | Acelab

33 71 00 Electrical Utility Transmission and Distribution

33 71 19 Electrical Underground Ducts, Ductbanks,And Manholes

33 71 13Electrical Utility Towers 33 71 13.13Precast Concrete Electrical Utility Towers 33 71 13.23Steel Electrical Utility Towers 33 71 13.33Wood Electrical Utility Towers 33 71 16Electrical Poles 33 71 16.13Precast Concrete Electrical Utility Poles 33 71 16.23Steel Electrical Utility Poles 33 71 16.33Wood Electrical Utility Poles 33 71 19Electrical Underground Ducts, Ductbanks,And Manholes 33 71 19.13Electrical Manholes and Handholes 33 71 19.23Trenched Electrical Underground Duct and Ductbanks 33 71 19.33Trenchless Electrical Underground Duct and Ductbanks 33 71 23Insulators and Fittings 33 71 23.13Suspension Insulators 33 71 23.16Post Insulators 33 71 23.23Potheads 33 71 26Transmission and Distribution Equipment 33 71 26.13Capacitor Banks 33 71 26.16Coupling Capacitors 33 71 26.23Current Transformers 33 71 26.26Potential Transformers 33 71 36Extra-High-Voltage Transmission Wiring 33 71 36.13Overhead Extra-High-Voltage Transmission Wiring 33 71 39High-Voltage Transmission Wiring 33 71 39.13Overhead High-Voltage Transmission Wiring 33 71 39.23Underground High-Voltage Transmission Wiring 33 71 39.33Underwater High-Voltage Transmission Wiring 33 71 49Medium-Voltage Transmission Wiring 33 71 49.13Overhead Medium-Voltage Transmission Wiring 33 71 49.23Underground Medium-Voltage Transmission Wiring 33 71 49.33Underwater Medium-Voltage Transmission Wiring 33 71 53Direct-Current Transmission 33 71 73Electrical Utility Services 33 71 83Transmission and Distribution Specialties

33 71 19 Electrical Underground Ducts, Ductbanks,And Manholes

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