This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Airport runway lighting contractors Fiber optic cable (except transmission line) contractors Alarm system (e.g., fire, burglar), electric, installation only Highway, street, and bridge lighting and electrical signal installation Audio equipment (except automotive) installation contractors Home automation system installation Lighting system installation Cable television hookup contractors Telecommunications equipment and wiring (except transmission line) installation contractors Computer and network cable installation Traffic signal installation Environmental control system installation Cable splicing, electrical or fiber optic Establishments primarily engaged in--

Including:

• Airport runway lighting contractors
• Alarm system (e.g., fire, burglar), electric, installation only
• Audio equipment installation (except automotive) contractors
• Audio visual equipment installation
• Building automation system installation contractors
• Burglar alarm system, electric, installation only
• Cable splicing, electrical or fiber optic
• Cable television hookup contractors
• Communication equipment installation
• Computer and network cable installation
• Control system (e.g., environmental, humidity, temperature) installation
• Electric contracting
• Electric power control panel and outlet installation
• Electrical contractors
• Electrical equipment and appliance installation
• Electrical wiring contractors
• Electrical work
• Electrical, electrical wiring, and low voltage electrical work
• Electrician
• Electronic containment fencing for pets, installation
• Electronic control installation and service
• Electronic control system installation
• Environmental control system installation
• Fiber optic cable (except transmission lines) installation
• Fire alarm system, electric, installation only
• Highway, street and bridge lighting and electrical signal installation
• Home automation system installation
• Home standby power generator installation
• Home theater installation
• Humidity control system installation
• Installation of photovoltaic panels
• Intercommunication (intercom) system installation
• Lighting system installation
• Low voltage electrical work
• Private driveway or parking area lighting contractors
• Public address system installation
• Railroad signaling equipment installation
• Security and fire system, installation only
• Smoke detection system, installation only
• Snow melting cable, electric, installation
• Solar panel installation
• Sound equipment installation
• Surveillance system, installation only
• Telecommunications equipment and wiring (except transmission line) installation contractors
• Telephone equipment and building wiring installation
• Telephone installation contractors
• Temperature control system installation
• Traffic signal installation
• Tunnel lighting contractors