QUALIFICATIONS - ELECTRICIANS Electrician, Class. “A” An electrician, Class ‘A’, shall be expected to have a minimum of five years’ practical experience and to be able to work directly from electrical drawings and install equipment in accordance with government standards and regulations. He must be a safe worker as to electrical methods and practices and in working from scaffolds and ladders. He must have specialized knowledge of some particular class or classes of electrical equipment, such as transformers (Power distribution), oil circuit breakers (above 200-A), cable splicing to 800,000 C.M. 30-2300-V, batteries and battery charging, electric trucks, motors and generator (A.C. or D.C.), xxxx bonding and erection, signals, elevators, conduit bending 1/2 inch to 4-inch, lighting series and multiple, air circuit breakers (A.C. and D.C.), and cable training; to diagnose and repair common troubles, such as hot bearings, over-heated motors. He must understand the fundamental working of common electrical equipment; to recognize dangerous practices; potential shorts and grounds, and to be able to test and locate grounds by usual methods. He shall be expected to be able to rewind simple motors; to repair common types of electrical equipment; to have knowledge of winding coils for given service; to have knowledge of different characteristics and classes of motor windings; and to be able to take off own data from original windings; to have knowledge of telephones and auto calls and to have knowledge of magnet wire sizes and shapes and uses thereof; to be a solderman. He must have a good knowledge of various types and grades of oils and greases and the uses thereof; to have a basic knowledge of industrial electronic circuits such as: photo electric relays, simple amplifiers, etc.; to recognize common electrical phenomena such as eddy currents, hysteresis, capacity, induction, resistance, etc.
