This is Article 9 of the Code of Virginia, titled “Electricity.” It is part of Title 45.1, titled “Mines And Mining.” It is part of Chapter 14.4, titled “Requirements Applicable To Surface Coal Mines.” It’s comprised of the following 5 sections.

§ 45.1-161.279
Overhead high-potential power lines; surface transmission lines; electric wiring in surface buildings
§ 45.1-161.280
§ 45.1-161.281
§ 45.1-161.282
Circuit breakers and switches
§ 45.1-161.283
Electrical trailing cables