The Power Plus company provides a battery back-up power supply to the electric rolling shutter, door, and awning industry.

• See also:
• Masterformat 2004
• 08 33 00 - Coiling Doors and Grilles
• 08 33 13 - Coiling Counter Doors
• 08 33 16 - Coiling Counter Grilles
• 08 33 23 - Overhead Coiling Doors
• 08 33 26 - Overhead Coiling Grilles
• 08 33 33 - Side Coiling Doors
• 08 33 36 - Side Coiling Grilles
• Masterformat 1995
• 08330 - Coiling Doors and Grilles