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Who Uses Selective Coordination?Author: Chris B Posted Date: 3/15/2010 4:29:10 PM
What this all boils down to, a lot of you would ask, is this - who does this even affect? Here's a simple list with four specific people that need to follow selective coordination guidelines.
1. Designers: Those who are making the plans for any structure obviously need to account for the essentials in electrical systems - branch circuits, feeders, and sub-feeders. They need to be planning effective selective coordination for every single thing.
2. Plan Review/Inspectors: Those who review the original design plan have a critical job. Inspectors need to look at power systems, determine whether they are compliant or not, and correct any problems according to this.
3. Engineers: These are the ones who will have to stamp any documents detailing the design, providing that they are designs that actually achieve proper selective coordination.
4. Contrators: Their role here would be installing the electrical system as it was designed. Optimally, again, the system was designed originally with good selective coordination in mind.
All of these types of people are affected by the NEC in that they play a huge role in compliance issues. The 2008 NEC has a purpose, like I mentioned in the beginning, to improve safety conditions and avoid panic-inducing blackouts.
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2/3/2012 4:22:58 PM
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