CEWD Survey
Demographic Job Category and Business Unit Definitions
May, 2008 (Rev 1)
Job Categories
Line Workers
This job category is responsible for the installation and repair of overhead and
underground distribution and transmission lines, poles, transformers and other equipment.
Titles include line worker, line installer, lineman, linewoman, underground mechanic,
underground specialist, towerman, towerwoman.
SOC Code
Description
Lineworkers
49-9051
Electrical power-line installers and repairers
Electrical and Power Transmission Installers
Lineworker
Plant/Field Operators
This job category is responsible for the maintenance and operation of all primary and
auxiliary equipment required to generate electricity or meet gas customers demands.
Title would include power plant operator, technical operator, mechanical operator.
SOC Code
Description
Plant / Field Operators
51-8013
Power plant operators
Auxiliary Equipment operators
51-8092-01
Gas Processing Plant Operators
51-8092-02
Gas Distribution Plant Operators
Gas Distribution Field Operators
LNG Plant Operators
51-8012
Power distributors and dispatchers
Gas controllers and dispatchers
Technicians (T&D)
This job category includes the repair of both electrical and mechanical equipment. This
includes inspecting, testing electrical equipment in generating stations and substations.
Titles would include substation mechanic, relay technician, electrician. This should also
include Instrument and Control technicians.
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CEWD Survey
Demographic Job Category and Business Unit Definitions
May, 2008 (Rev 1)
SOC Code
Description
Technicians
47-2111
Electricians
49-9042
Maintenance and Repair workers, general
17-3023
Electrical and Instrumentation Technican
Instruments and Controls Technician
49-2095
Substation Mechanic
Relay Technician
47-2011
Boilermaker
47-2031
Carpenter
49-9041
Industrial machinery mechanics
49-9044
Millwright
Mechanical Technician
17-3023
Electrical and electronic engineering technicians
49-2095
Electrical and electronics repairers, powerhouse, substation, and relay
49-2093
Electrical Equipment Installer / Repairer
51-4041
Machinists
49-9012
Control and valve installers and repairers, except mechanical door?
43-5041
Utility Metering & Regulation Technician
17-2131
Corrosion Technicians
49-9052
Line locator / mark out technician
47-2132
Insulation Workers, Mechanical
47-2221
Structural Iron and Steel Workers
Technicians (Generation)
This job category is responsible for the construction, assembly, maintenance and repair of
steam boilers and boiler house auxiliaries. Titles could include boilermakers, mechanics,
welders. This should also include Instrument and Control technicians.
SOC Code
Description
Technicians
47-2111
Electricians
49-9042
Maintenance and Repair workers, general
17-3023
Electrical and Instrumentation Technican
Instruments and Controls Technician
49-2095
Substation Mechanic
Relay Technician
47-2011
Boilermaker
47-2031
Carpenter
49-9041
Industrial machinery mechanics
49-9044
Millwright
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CEWD Survey
Demographic Job Category and Business Unit Definitions
May, 2008 (Rev 1)
17-3023
49-2095
49-2093
51-4041
49-9012
43-5041
17-2131
49-9052
47-2132
47-2221
Mechanical Technician
Electrical and electronic engineering technicians
Electrical and electronics repairers, powerhouse, substation, and relay
Electrical Equipment Installer / Repairer
Machinists
Control and valve installers and repairers, except mechanical door?
Utility Metering & Regulation Technician
Corrosion Technicians
Line locator / mark out technician
Insulation Workers, Mechanical
Structural Iron and Steel Workers
Pipefitters & Pipelayers (T&D)
This job category is responsible for the installation and maintenance of gas mains and
services. Also included is first responders to gas leaks. Titles would include gas street
leader, utility mechanic, gas service specialist, and welders.
SOC Code
Description
Pipefitter / Pipelayers
47-2152
Plumbers, pipefitters, and steamfitters
51-4121
Welders, cutters, solderers, and brazers
47-2151
Pipelayers
Pipeline Installer
Pipefitters & Pipelayers (Generation)
This job category is responsible for the installation and maintenance of pipe systems and
related equipment for steam, hot water, heating, sprinkling and industrial production and
processing systems. Titles include welders and boilermakers.
SOC Code
Description
Pipefitter / Pipelayers
47-2152
Plumbers, pipefitters, and steamfitters
51-4121
Welders, cutters, solderers, and brazers
47-2151
Pipelayers
Pipeline Installer
Engineers
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CEWD Survey
Demographic Job Category and Business Unit Definitions
May, 2008 (Rev 1)
This job category focuses on systems, processes, equipment, and facilities involved in
electric and natural gas energy services. This job category includes people involved in
planning, research, design, development, construction, installation, and operation of
equipment, facilities, and systems for the safe, reliable, and economic generation/supply,
transmission, distribution, consumption, and control of electricity and natural gas.
A requirement of this category is a bachelors, masters, or Ph.D. in any engineering
discipline (although commonly an electrical engineering degree) from an accredited fouryear university.
SOC Code
Engineers
17-2071
17-2141
17-2041
17-2051
17-2081
Description
Electrical Engineers
Power Systems Engineer
Energy Transmission Engineers
Mechanical Engineers
Chemical Engineer
Civil Engineers
Environmental Engineers
Business Units
Total Business Unit – T&D
Include jobs in the organizations that deliver gas and electricity to end use customers
(residential, commercial and industrial). Electric transmission is higher voltages (230500kv) while distribution is lower (4-26kv). Gas transmission is high pressure delivery,
generally from companies such as Transco; distribution is delivery through local mains
and services.
Total Business Unit – Generation
Include jobs in the organization that produces electricity, either through hydro, fossil fuel
(oil, gas and coal) or nuclear energy. Power plant operations manage the production
cycle.
Total Company
Include all direct employees for the company. Do not include contract employees or
supplemental labor.
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