In Mechanical, Electrical, and Plumbing (MEP) engineering, adhering to code compliance and standards is essential for safety, efficiency, and reliability. These regulations protect occupants and the environment by setting minimum requirements for building systems. Key codes include the National Electrical Code (NEC), International Plumbing Code (IPC), and International Mechanical Code (IMC). Staying updated with these standards through regular training and using tools like Building Information Modeling (BIM) helps engineers design compliant systems, preventing hazards and ensuring sustainability. Ensuring compliance enhances safety, reduces legal risks, and promotes energy efficiency, ultimately supporting the integrity of engineering projects.