11/22/2017
Raceways and Buss Ducts
Special Thanks to: Pierre Cowart Rory Tihinen Syed Karim
• Used just to hold conductors • Made of metal or insulating materials • Metallic Raceways ▫ Metal Conduits ▫ Electric Metallic Tubing (EMT) ▫ Cellular metal raceways • Installation (corrosive
resistant) ▫ Cement ▫ Asbestos ▫ Impregnated fiber
Designing – Things to Consider
• Locate electrical service on site ▫ Arrangements must be made with power company ▫ Large projects require larger voltage/wattage • List all equipment, appliances etc. ▫ Calculate electrical load of the facility • Locate equipment, appliances on floor plan ▫ Commercial projects might have additional requirements • Locate mechanical equipment ▫ Service entrance ▫ Power and lighting panels ▫ Conduit or cables • Discuss owner’s future plans for the facility ▫ Potential affect electrical load
Pricing Methods
Div.
Electrical Components
Unit
Electrical Building Components Electrical Panels with Breakers Feeders Interior Lighting Power Paging System Nurse Call
Ea LF Ea Ea Ea Ea
16001
16700 Fire Alarm
SF
Security Systems Card Readers CCTV System Conduit and Wire for Security
Ea Ea LF
16800
27
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