Level 3 Electrical Design is a term used in the field of electrical engineering to refer to the detailed design of electrical systems for buildings, industrial plants, power plants, and other applications. Level 3 Electrical Design involves the development of detailed electrical plans, diagrams, specifications, and calculations to ensure the safe and efficient operation of electrical systems.

Some of the key aspects of Level 3 Electrical Design include:

1. Electrical Load Calculation: This involves determining the total electrical load required by a building or facility, including lighting, heating, cooling, and power loads.
2. Electrical System Design: This includes the selection and design of electrical equipment, such as transformers, switchgear, panelboards, and control systems.
3. Circuit Design: This involves designing individual circuits to meet the electrical load requirements and ensure the proper protection against overloads, short circuits, and ground faults.
4. Lighting Design: This involves the selection and design of lighting systems, including fixtures, controls, and wiring.
5. Electrical Safety: This includes ensuring that the electrical systems are designed and installed in compliance with all applicable electrical codes and standards and that appropriate safety measures are in place to protect personnel and equipment.

Overall, Level 3 Electrical Design is a critical aspect of electrical engineering, as it ensures that electrical systems are safe, efficient, and reliable.