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21Q: Transmission and Distribution Specialist

Major Duties: The transmission and distribution specialist supervises or installs and maintains electrical distribution systems; performs duties as a member of a transmission and distribution team. Duties for MOS 21Q at each level of skill are:

Skill Levels
- Skill Level 1 MOSC 21Q1O. Assists in installation of electrical transmission and distribution systems and exterior services. Assists in the erection of utility poles; and, installs guys, anchors, crossarms, conductors, insulators, and other hardware. Installs and connects service drops and conduits on deenergized systems.
- Skill Level 2 MOSC 21Q2O. Installs and maintains electrical transmission and distribution systems. Tests circuits and components to isolate malfunctions and repair defects. Performs scheduled and emergency inspections and repairs of distribution systems and equipment. Assists in maintenance, repair, calibration and tests of internal substation equipment.
- Skill Level 3 MOSC 21Q3O. Supervises installation of underground and overhead electrical distribution systems. Supervises staging of material andconstruction and maintenance equipment. Maintains and uses special purpose safety equipment and tools employed for electrical construction and maintenance. Ensures proper safety and clearance procedures are followed.
- Skill Level 4 MOSC 21Q4O. Plans and supervises construction and maintenance of electrical transmission and distribution systems. Estimates manpower, equipment, and material requirements for electrical construction. Advises on electrical construction and maintenance procedures and capabilities.

Physical demands rating and qualifications for initial award of MOS. The transmission and distribution specialist must possess the following qualifications:

(1) Physical Demands Rating: very heavy

(2) Physical Profile: 111221

(3) Normal color vision.

(4) Minimum score of 95 in aptitude area EL.

(5) Mandatory formal training or meet the civilian acquired skills criteria listed in AR 601-210.

AIT Location: Aberdeen Proving Grounds, Maryland or Redstone Arsenal, Alabama

MOS 21Q had the alphanumeric designator of 52G prior to fiscal year 2004.

The major duties, physical demands, physical profile, and skill levels were obtained from Army Pamphlet 611-21.

MOS List for Corps of Engineers