1. Facilities Management and Design
Chapter 6
Electrical Systems

2. Basic Electrical Terms
Voltage
Amperes
Wattage
Resistance
Frequency
Phases

3. Codes and Standards Wire size and type Circuit loading Capacity
Wiring conventions

4. Codes National Electrical Code (NEC) OSHA safety standards
safety, minimum standards
OSHA safety standards
For electrical systems
safety-related work practices
maintenance requirements
special equipment

5. Elements of an effective electrical system and equipment maintenance program
Current electrical system plans
Working knowledge of electrical practices and building's electrical system
Good housekeeping practices in electrical equipment areas
Knowledge and adherence to property safety procedures
Incorporation of electrical maintenance procedures into building's PM program

6. Electrical system components
Fuses and circuit breakers (esp. GFCI)
Distribution panels and wiring
Electric motors
Controls systems
Drive elements
Electronic equipment
Emergency power systems
Electrical maintenance equipment

7. Electric utility billing
Energy or consumption charge - kilowatt hours, kWh
Demand or capacity charge - business's highest rate of energy usage, kW
Ratchet clauses
Read meters
Daily or per shift for problem diagnosis
Monthly to check on utility company readings
p/u here on Tuesday

8. Electric utility billing (Cont.)
Kilowatt-hour or Usage meter (like an odometer)

9. Electric utility billing (Cont.)
Kilowatt or Demand meter

10. Electric utility billing (Cont.)
Rates vary by
season
time of day
Review Tariff options
major changes in operations
rate changes
before and after implementing energy conservation programs

11. Utility deregulation choose an electric utility
electric rates are more volatile
following market ups and downs
more power outages
power-reliability problems
potential for savings