Core terms
- Authority having jurisdiction (AHJ)
- The public authority responsible for administering applicable rules.
- Factory-built
- A broad description for construction completed partly or substantially in a plant.
- Manufactured home
- In the United States, a dwelling built under the federal HUD construction and safety standards; it is not the same regulatory category as a modular home.
- Marriage line
- The interface where modules are joined.
- Module
- A three-dimensional volumetric section designed for transport and assembly into a building.
- Modular home
- A permanent home assembled from factory-produced modules under the code and approval system accepted at its destination.
- Set
- The operation of placing and connecting modules on the foundation.
- Site-built work
- Foundations, utilities, connections, additions and finishes completed at the property.