WORK PROCESS SCHEDULE
ELECTRICIAN, SUBSTATION
O*NET/SOC CODE: 49-2095.00 RAPIDS CODE: 0166
Description: Inspects, tests, and maintains substation electrical equipment, such as oil circuit breakers and transformers: Inspects and tests equipment to detect malfunctioning and determine resistance and load, using voltmeter and ammeter. Tests insulators and bushings of equipment for power leakage by imposing specified voltage on insulation through testing apparatus and calculating insulation loss. Tests oil in circuit breakers and transformers for dielectric strength. Repairs or rebuilds oil circuit breakers, transformers, and lightning arrestors by replacing worn parts. Disconnects voltage regulators for removal by other workers by loosening bolts and screws and connects replacement regulator to high-voltage line. Periodically replenishes oil in circuit breakers and transformers not needing repair. Inspects switches before repairing or replacing equipment to ensure power cutoffs. Does not repair electrical machinery, such as generators and converters. May set forms and pour concrete footings for heavy equipment installation. May paint, repair, and maintain substation buildings.
ON-THE-JOB TRAINING :
No apprentice shall be permitted to work on conductors, apparatus and/or equipment energized at voltage in excess of 750 volts until advanced to the fifth six months apprenticeship period, except that an apprenticeship the fourth six months period who is deemed qualified may be assigned to work with voltages in excess of 750 volts in situations where the craft supervisor considers that the work may be performed safely in compliance with the Safety Code, and will contribute to the apprentice’s training.
APPROXIMATE HOURS
1. Inside and outside high and low tension wiring
500
2. Wiring of control panels, instruments and relays
200
3. Transformer testing and repairing
200
4. Installation, erection, maintenance and repair
3500
5. Miscellaneous
1600
TOTAL HOURS
6000
RELATED INSTRUCTION:
- Materials
- Tools
- Equipment
- Science
- Mathematics
- Economics
- History
