To find the details of the sub-categories listed, you must use the ICC web page (from the button below) and search for your exam by choosing "Type: Contractor/Trades" and "State: National/All". Then enter the three digit exam code in the "Title" (e.g., T16). Click "Search" then "Outline".
| Content Areas | Sub- categories | % of Questions |
|---|---|---|
| General Requirements | 5 | 49 |
| Water Heaters | 1 | 5 |
| Appliances & Equipment | 1 | 15 |
| Fuel Supply System Sizing | 1 | 6 |
| Combustion Air | 1 | 13 |
| Chimneys & Vents | 1 | 12 |
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