W. Va. Code R. § 48-8-6

Current through Register Vol. XLI, No. 50, December 13, 2024

Section 48-8-6 - Classroom and Lab Training Plan (360 hours, documented with cosigned log)

6.1. The apprentice electrician shall be instructed in all aspects of mining electricity, which shall include:

(a) State and Federal mining laws which apply to electricity

(b) Permissibility

(c) AC and DC Theory

(d) Basic Electricity

(e) Schematic Reading

(f) Gas Detection and Fire Prevention

(g) National Electric Code

6.2. In support of the above sections as well as additional material, the following material shall be covered in the classroom:

(a) Basic Electricity

1. Introduction

2. History of electricity

3. Dangers of Electricity a. Shocks and Burns b. Rubber gloves c. Removing a person from power d. Artificial Respiration

4. Lock-out and Tag-Out Procedures

5. Electrical Fundamentals

6. How is electricity produced -- Power Generation

7. Magnetism

8. Insulators and conductors

9. Electrical quantities and Ohm's Law

10. Getting Electricity to the Mine

11. Getting electricity into the mine

12. Supplying power to the face area

13. Basic Trailing Cables

14. Basic Batteries

15. Basic Trolley and Track Systems

(b) DC Theory and Application

1. DC Symbols

a. Test and discussion

2. Ohms Law and discussion

3. Volt Ohm Meters

a. Analog

b. Digital

c. Discussion, Demonstration, and Hands-on Practice

d. Test on Meter Principals

e. Test on Meter Readings

4. Ammeters

a. Analog

b. Digital

c. Discussion, Demonstration, and Hands-on Practice

d. Test on Meter Principals

e. Test on Meter Readings

5. Meggers

a. Analog

b. Digital

c. Discussion, Demonstration, and Hands-on Practice

d. Test on Meter Principals

e. Test on Meter Readings

6. Series and Parallel Circuits

a. Discussion, Demonstration, and Hands-on Practice

b. Test and discussion

7. Batteries a. Discussion, Demonstration, and Hands-on Practice b. Test and discussion

8. Basic DC Panel

9. Switches

a. Discussion, Demonstration, and Hands-on Practice

b. Test and discussion

10. Contactor Assembly and Disassembly

a. Discussion, Demonstration, and Hands-on Practice

11. Fuses

a. Discussion, Demonstration, and Hands-on Practice

b. Test and discussion

12. Mercury Tubes

a. Types and Operation

b. Holding Circuits

c. Timing Circuits

d. Discussion, Demonstration, and Hands-on Practice

13. Master Contactors

a. Discussion, Demonstration, and Hands-on Practice

14. Resistors

a. Series circuits

b. Parallel circuits

c. Combination circuits

15. Motor Starting Resistance

a. Discussion, Demonstration, and Hands-on Practice

16. Cross the Line Contactors

a. Discussion, Demonstration, and Hands-on Practice

17. Motor Overloads

a. Discussion, Demonstration, and Hands-on Practice

18. Complete Schematic of Control Circuit

a. Discussion, Demonstration

19. Complete Wiring of Control Circuit

a. Discussion, Demonstration, and Hands-on Practice

20. Component Labeling Test

a. Discussion, Demonstration

21. Troubleshooting Control Circuits

a.Discussion, Demonstration, and Hands-on Practice

22. DC Motors

a. Types -- Series, Shunt, and Compound

b. Wiring

c. Reversing

d. Checking

e. Discussion, Demonstration, and Hands-on Practice

23. Troubleshooting Control and Motor Circuits

a. Discussion, Demonstration, and Hands-on Practice

24. DC Motor Fundamentals Test

25. Solenoids

26. Cables

a. Conductor

b. Three Conductor

c. Frame Grounding

d. Discussion, Demonstration, and a Hands-on examination of different DC Cables

e. Troubleshooting DC Cables

f. Cable Test

27. Solid State Devices

28. Diode Systems

a. Diodes

b. Types of Diodes

c. Testing

d. Discussion, Demonstration, and Hands-on Practice

29. Rectifiers

a. Half Wave

b. Full Wave

30. Diode Grounding Panel

a. Discussion

b. Wiring

c. Troubleshooting

d. Discussion, Demonstration, and Hands-on Practice

31. Tests on DC Grounding Systems

32. Hands-On Wiring and Troubleshooting of DC Equipment

a. Basic DC Panel with 3 Contactors, Resistance, and Series, Shunt, and Compound Motor

b. Basic Grounding Diode Panel

c. Basic DC Panel with Two-Pole Contactors, Resistance, and Motor

d. Basic DC Panel with 4 contactors, Resistance, and motor

e. Basic DC WV Test Panel

f. DC Bolt Machine Panel

g. Trolley Operated Jeep Panel

h. SCR Drive Scoop Panel

i. Drive Scoop Panel

j. Transistor Drive Coal Hauler Panel

k. SCR Drive Coal Hauler Panel

l. Transistor Drive Coal Hauler Panel

(c) AC Theory and Application

1. How AC electricity is generated

2. AC Electricity a. Single Phase b. Three Phase

3. AC Symbols a. Discussion, Demonstration, and Practice b. Test and discussion

4. Circuit Breakers

5. Transformers a. Simple b. Tapped c. Combination d. Discussion, Demonstration, and Hands-on Practice e. Transformer Test

6. Line Starters a. Tips b. Coils c. Auxiliary Relays d. Discussion, Demonstration, and Hands-on Practice

7. Thermal Overloads a. Discussion, Demonstration, and Hands-on Practice

8. AC Motors a. Types -- Squirrel Cage and Wound Rotor Motors b. Wiring c. Reversing d. Testing e. Discussion, Demonstration, and Hands-on Practice

9. Reading Schematic Drawings

10. Reading Wiring Drawings

11. Wiring of Motor and Control Circuits a. Discussion, Demonstration, and Hands-on Practice

12. Troubleshooting of Motor and Control Circuits a. Discussion, Demonstration, and Hands-on Practice

13. Silicon Controlled Rectifiers (SCRs)

a. Discussion, Demonstration, and Hands-on Practice

14. AC Fundamentals Test

15. AC Protection Devices

16. Circuit Breakers a. Breaker Short Circuit Adjustments b. Breaker Ampere Capacity c. Breaker Thermal Trip Units d. Discussion, Demonstration, and Hands-on Practice

17. Receptacle and Plug Layout a. Discussion, Demonstration, and Hands-on Practice

18. Operation of Current Transformers a. Discussion, Demonstration, and Hands-on Practice

19. Operation of Ground Trip Devices a. Discussion, Demonstration, and Hands-on Practice

20. Operation of Ground Check Devices a. Impedance type ground monitors b. Continuity type ground monitors c. Wireless type ground monitors d. Hands-on wiring and Troubleshooting of Ground Monitors

21. AC Power Simulator System a. Discussion, Demonstration, and Hands-on Practice b. Testing

22. Troubleshooting of Complete AC Power Supply Systems

23. Hands-On Wiring and Troubleshooting of AC Equipment

a. Basic AC Training Panel - 1 Linestarter, breaker, transformer, fuses, overloads, three phase motor

b. Basic AC Training Panel - 2 Linestarters, breaker, transformer, fuses, overloads, 2 three phase motors

c. Two different Basic AC Panels for Prep Plant

d. Basic AC WV Test Panel

e. AC Bolt Machine

f. Power Distribution Box

g. Section Power Center

h. Remote Control Continuous Miner with DC Tram

i. Remote Control Continuous Miner with AC Tram

j. Programmable Logic Controller Belt Starter Panel

k. Programmable Logic Controller Prep Plant Panel

l. Programmable Logic Controller Pump Panel

m. CO Monitor System n. WV Test Panel for Power Center

24. Electrical Cables

a. Types and Construction

b. Splicing techniques

c. Trouble-shooting Cables

(1) With Ohmmeter

(2) With Cable Thumper

(d) High Voltage

1. High Voltage gloves

2. Hot sticks

3. Visible disconnects

4. Isolation transformers

5. Circuit breakers

6. Oil Breakers

7. Vacuum Breakers

8. Ground resistors

9. Ground monitors

10. Splicing high voltage cables

11. Lightning arrestors

12. Hands-On Wiring and Troubleshooting of High Voltage AC Equipment a. High Voltage Vacuum Breaker Panel b. WV High Voltage Relay Test Panel

(e) Alternating Current Certification Test

1. Discussion and Practice

2. Test and discussion

(f) Direct Current Certification Test

1. Discussion, Demonstration, and Practice

2. Test and discussion

(g) Legal Requirements Certification Test

1. Review of Electrical Sections of Part 75 of the Federal Register

2. Discussion, Demonstration, and Practice

3. Test and discussion

(h) Permissibility Certification Test

1. Review of Permissibility

2. Cover complete MSHA manual "Permissibility: Electric Face Equipment" (Safety Manual No. 16)

3. Review Permissibility Slides

4. Discussion, Demonstration, and Practice

5. Test and discussion

(i) National Electrical Code Certification Test

1. Review Selected Sections of National Electrical Code

2. Discussion, Demonstration, and Practice

3. Test and discussion

(j) High Voltage Systems Certification Test

1. Review of Electrical Sections WV Law and of Part 75 and 77 of the Federal Register

2. High Voltage Training Panel

3. Discussion, Demonstration, and Practice

4. Test and discussion

(k) Circuits and Equipment Certification Test

1. Discussion and Practice

2. Test and discussion

(l) Final Complete Electrical Exam

(m) During the formal classes, the apprentice electrician shall complete other practical lab exercises that shall include but are not limited to the following:

1. Identifying electrical hazards

2. Trailing cable splices

3. Use of medium voltage rubber gloves and voltmeter

4. Installation of packing glands

5. Resealing a plane joint on an XP controller panel

6. Installing a cable coupler

7. Installing and testing a ground fault device

8. Installing and calibrating a ground monitor

9. Checking and changing brushes in a DC motor

10. Troubleshooting an DC motor

11. Troubleshooting an AC motor

12. Replacing a fuse in a pole mounted, high voltage cutout

13. Testing high voltage rubber gloves with air

14. Installing an AC plug

15. Reentering a trailing cable into a junction box

16. Replacing a tape switch on a roof bolter or scoop

17. Wiring a basic stop/start circuit to turn on a light with a relay

18. Adjusting the magnetic trip setting on a circuit breaker

19. Adding a new CO sensor to a CO system and calibrating

20. Troubleshooting a conveyor belt pull cord circuit

21. Proper use of an impulse generator (Thumper) for trailing cable troubleshooting

22. Calibrating a machine methane monitor system

23. Ground faulting a circuit breaker

24. Installation of machine trailing cables

25. Control wiring in a belt conveyor starter

26. Replacing the bulb in a permissible headlight

27. Proper adjustment of micro switches on direction tram contactors

28. Troubleshooting Continuous Miner with DC Tram

29. Troubleshooting a Continuous Miner with VFD Tram

30. Troubleshooting a Bolt Machine

31. Troubleshooting CO Monitor System

32. Troubleshooting an Programmable Logic Controller System

(n) Other classes that are not electrical but shall be included in the training plan are:

1. Hand and Power Tools a. The student shall attend 4 hours of Basic hand and power tool safety

2. Welding & Cutting Systems a. The student shall attend 76 hours of Basic Cutting And Welding Safety

3. Principals of Hydraulics a. The student shall attend 40 hours of Basic Hydraulic Principals and Safety

W. Va. Code R. § 48-8-6