Frequently Asked Questions (FAQs)

Topics - lighting - Residential
The 2009 IECC requires that a minimum of 50% of the lamps in permanently installed lighting fixtures be high-efficacy lamps (2009 IECC, Section 404.1). The 2012 IECC has increased the minimum percentage from 50% to 75%, along with an exception for...
Topics - lighting - lighting - exterior - lighting - interior - Commercial
Exemptions and allowances for lighting are an option that must be activated in COMcheck. To activate the exemptions and allowances, take the following steps: Select either the Interior Lighting or Exterior Lighting Tab Go to the Options menu and...
Topics - lighting - fixture library
Yes. Locate the lighting fixture library in this location defaulted by COMcheck:    C:\Users\<your user name>\AppData\Roaming\COMcheck\fixtureLibrary.xml. Copy fixtureLibrary.xml from this location to the same directory on the other computer.