UAIT 125 - DC and AC Currents

Information: Formerly Titled Electrical Systems I 

  

1. Analyze electrical circuit diagrams by identifying circuit components, voltages, currents, and power. 

2. Describe the operation of control and sensing components such as limit switches, pressure switches, and proximity sensors when used as interrupters in a circuit. 

3. Demonstrate the use of a multimeter to measure voltage, current, and resistance in a circuit and to troubleshoot basic electrical problems. 

4. Select circuit protection devices such as fuses, ground fault circuit interrupters (GFCI) and circuit breakers. 

5. Test circuit protection devices such as fuses, GFCI, and circuit breakers. 

6. Identify the basic use of a multimeter to find basic electrical faults in components such as resistors, capacitors, inductors/solenoids, relays, transformers, and electric motors

1. Reading and Interpreting Electrical Circuit Diagrams 
   1. Fundamental Electrical Circuit Diagrams 
      1. Electric Charge
      2. Resistance 
      3. Electric Current 
      4. Voltage 
      5. Magnetism 
   2. Schematic Symbols 
   3. Operations of Components 
   4. Electrical Components Identification
   5. Ohm’s Law 
   6. Kirchoff’s Circuit Laws
      1. Kirchoff’s Voltage Law (KVL)
      2. Kirchoff’s Current Law (KCL) 
   7. Analysis of Circuits 
      1.  Series Circuits 
         1. Resistors 
         2. Capacitors 
         3. Mathematical Formulations and Calculations 
         4. Current Flow 
         5. Voltage Drops 
         6. Combinations of Components in Circuits   
      2. Parallel Circuits 
         1. Resistors 
         2. Capacitors 
         3. Mathematical Formulations and Calculations 
         4. Current Flow 
         5. Voltage Drops 
         6. Combinations of Components in Circuits  
      3. Circuits with Inductors 
         1. Resistors 
         2. Capacitors 
         3. Mathematical Formulations and Calculations 
         4. Current Flow 
         5. Voltage Drops 
         6. Combinations of Components in Circuits  
      4. Circuits with Transformers 
         1. Measuring Resistance
         2. Sizing 
         3. Mathematical Formulations and Calculations 
         4. Current Load
         5. Voltage Change  
         6. Turns Ratio
2. Sensor and Switch Function and Application
   1. Capacitive Sensor 
   2. Inductive Sensor 
   3. Photoelectric Sensor 
   4. Magnetic Reed Switch 
   5. Limit Switch 
   6. Float Switch 
   7. Pressure Switch 
3. Multimeter Use for Electrical Measurement 
   1. Voltage 
   2. Current 
   3. Resistance 
   4. Continuity Check 
   5. Clamp Meters 
4. Circuit Protection Components 
   1. Fuse and Circuit Breaker Selection in accordance with National Electrical Code (NEC)
      1. Determining Wire Size 
      2. Determining Wire Ampacity 
   2. Fuse Types and Uses 
   3. Fuse Testing Procedures 
   4. Circuit Breaker Testing Procedures 
   5. Operation of Ground-Fault Circuit Interrupters (GFCIs) 
5. Multimeters and Electrical Troubleshooting 
   1. Testing Resistors 
      1. Rated Value 
      2. Opens 
      3. Shorts 
   2. Testing Capacitors 
      1. Rated Value 
      2. Opens
      3. Shorts 
   3. Testing Inductors  
      1. Rated Value 
      2. Opens
      3. Shorts 
   4. Testing Relays 
      1. Coils 
      2. Contacts 
      3. Function 
   5. Testing Solenoids 
      1. Coils 
      2. Function 
   6. Testing Transformer Windings 
      1. Opens 
      2. Shorts 
      3. Primary to Secondary Isolation 
      4. Resistance 
   7. Testing Electric Motor Windings 
      1. Opens 
      2. Shorts 
      3. Winding Insulation Resistance
6. Electric Motors 
   1. DC Electric Motors 
   2. Single Phase AC Motors 
7. Electric Wiring 
   1. Wiring Color Code 
   2. Wire Gauge