A professional who maintains records of equipment, materials, and supplies used in construction, installation, and maintenance of electric-power distribution lines and facilities. Respnsibilities include:

• Observes operations of field crew, and records data, such as equipment installed or replaced, materials and supplies used, and labor costs.
• Prepares sketches or enters on drawing type of equipment installed and location of equipment in order that circuit maps and blueprints can be corrected.
• Prepares and attaches identification tags to equipment, such as transformers and switches removed from service for repair or storage.
• Prepares and nails metal tags on pole indicating circuit and station in transmission or distribution line.
• Maintains inventory of equipment in field truck and prepares requisitions for replacement parts, materials, and supplies.