Founded in 1992 Power & System Innovations, Inc (PSI) is a full service company providing products, services and consulting related to power quality, power protection, surge protection, grounding, lightning protection and other anomalies that can damage equipment and/or cause data loss. PSI provides on site consulting services, designs, installs, services all types of protection equipment and systems.

• See also:
• Masterformat 2004
• 26 13 00 - Medium-Voltage Switchgear
• 26 18 00 - Medium-Voltage Circuit Protection Devices
• 26 18 13 - Medium-Voltage Cutouts
• 26 18 16 - Medium-Voltage Fuses
• 26 18 19 - Medium-Voltage Lightning Arresters
• 26 18 23 - Medium-Voltage Surge Arresters
• 26 18 26 - Medium-Voltage Reclosers
• 26 26 00 - Power Distribution Units
• 26 35 00 - Power Filters and Conditioners
• 26 35 13 - Capacitors
• 26 35 16 - Chokes and Inductors
• 26 35 23 - Electromagnetic-Interference Filters
• 26 35 26 - Harmonic Filters
• 26 35 33 - Power Factor Correction Equipment
• 26 35 46 - Radio-Frequency-Interference Filters
• 26 35 53 - Voltage Regulators
• 26 41 00 - Facility Lightning Protection
• 33 75 00 - High-Voltage Switchgear and Protection Devices
• 33 75 36 - High-Voltage Utility Fuses
• 33 75 39 - High-Voltage Surge Arresters
• 33 77 00 - Medium-Voltage Utility Switchgear and Protection Devices
• 33 77 33 - Medium-Voltage Utility Cutouts
• 33 77 36 - Medium-Voltage Utility Fuses
• 33 77 39 - Medium-Voltage Utility Surge Arresters
• 33 77 53 - Medium-Voltage Utility Reclosers
• 33 79 93 - Site Lightning Protection
• Masterformat 1995
• 13100 - Lightning Protection
• 16280 - Power Filters and Conditioners
• 16320 - High-voltage Switching And Protection
• 16330 - Medium-Voltage Switching and Protection
• 16470 - Power Distribution Units