switches, and circuit breakers. Knowledge of the National Electrical Code may be required for employees in a skilled position;
this also includes knowledge of techniques and procedures as used in electrical installations and maintenance (circuit
protection, wiring, conduits, etc.).
3. Knowledge of electronic principles; this includes knowledge of (A) basic logic gates, symbology, resistors, memory,
encoders, decoders, etc.; (B) Hardware/components - such as solid state devices (diodes, transistors, etc.), coils, capacitors,
etc.; (C) Digital circuit components - as in registers, adders, counters, memories, flip-flops, encoders, decoders, etc.; and D)
AC and DC circuitry - as in circuit analysis, schematic interpretation, etc.
4. Knowledge of and ability to follow safety and security procedures for performing maintenance work This includes
knowledge of industrial hazards (e.g., mechanical, chemical, electrical, electronic) and procedures and techniques
established to avoid injuries to self and others such as lock out devices, protective clothing, and waste disposal techniques.
5. Knowledge of current computer technology to understand how technology may be applied to solve a problem or improve
system design; this includes knowledge of hardware, software and networking technology/systems and integrated computer
systems. This includes knowledge related to: (A) the Operation of computer terminals or other peripherals to enter, operate,
and exit programs; to use the systems programs and (B) Retrieving and interpreting reports for diagnostic and information
7. Knowledge of cleaning and lubrication materials and procedures including storage, preparation and disposal and proper
Personal Protective Equipment; this includes knowledge related to: (A) Lubrication materials-such as oils, greases, etc., (B)
Lubrication procedures-as in application techniques, storage, disposal, etc., This also includes knowledge related to: (A)
Cleaning materials - such as alcohols, solvents, detergents, degreasers and (B) Cleaning procedures - as in hand methods,
machine methods (compressed air, vacuum cleaners).
8. Knowledge of the techniques related to one or more skilled trades including metalwork, carpentry, masonry, plumbing,
painting, or welding. This may include, as required for a particular job, knowledge of: (A) METALWORK: Machine
maintenance applications - such as heat treating, tempering, machining, bending, etc.; (B) CARPENTRY: Wooden structures
and projects-as in constructing, framing, repairing, finishing, etc.; (C) MASONRY: Materials-such as mortar, concrete,
stucco, plaster, brick, etc. and techniques and procedures-as in construction and repair projects; (D) PLUMBING: Installation
- as in pipes, tubing, and float valves. etc., Repairs - as in flush and float valves, etc. and Cleaning- as in drains; (E)
PAINTING: Materials - such as enamels, varnishes, plastics, stains, sealants, decals, etc., Procedures - as in surface
preparation, application techniques, etc. and equipment; (F) WELDING: Appropriate gas and electric cutting, welding, and
brazing techniques and procedures used in equipment and machine maintenance applications; or (G) ELECTRICAL:
installation and maintenance of electrical components such as circuits, relays, switch, breakers. This may require soldering.
9. Knowledge of refrigeration principles, terminology and usage; this includes knowledge of refrigeration cycles, and
components/units such as compressors, condensers, evaporators and refrigerants.
10. Knowledge of heating, ventilation, and air conditioning (HVAC) equipment operation, this includes safety considerations,
start up, and shut down and mechanical/electrical operating characteristics of HVAC equipment (e.g., chillers, direct
expansion units, window units, boilers and heating equipment).
12. Ability to perform mathematical calculations such as addition, subtraction, multiplication, and division correctly; to solve
practical problems by selecting from a variety of mathematical techniques such as formulas and percentages.
13. Ability to remember material learned earlier refers to the ability to recall specific information and/or theoretical knowledge
and apply it to mechanical, electrical, or electronic maintenance work such as inspection, troubleshooting, equipment repair
and modification, preventive maintenance, and installation of electrical equipment.
14. Ability to troubleshoot problems to analyze the root cause of a specific error and decide what action to take to prevent
recurrence; to back track from a specific problem to identify the source of the error.