Mechanical & electrical systems
Commercial electrical Systems
Review Material
http://www.phe.gov/about/amcg/contracts/Documents/subcontractor-management.pdf
1. What is a service entrance and why are their specific code requirements for these about location and other parameters associated with this element of the design?
2. How is equipment protected from transients?
3. When does a transformer become overloaded?
4. Discuss the different types of power loss that occur in transformers.
Assignment 7
Using the example subcontractor management plan above, discuss each element of the example plan and indicate the benefits each section activity provides in helping to manage risk with mechanical and electrical subcontractors.