Medium and Low-Voltage Electrical Installations Project and Execution for Critical Equipment in the Data Center: Low-voltage infrastructures (<1000V). High-voltage infrastructures (>1000V). General distribution boards and static switches. Distribution of electrical panels and lines in a critical environment. Backup equipment, uninterruptible power supplies (UPS). Generator sets. Cable conduits. Electrical distribution by open busbar trunking system. PDUs and rPDUs (manageable and monitorable rack power). Verification of installations (land, energy quality, etc.) Energy management and saving systems. Legalizations.