| A | B |
|---|
| stud | vertical piece of wood or metal used to construct a wall |
| joist | horizontal piece of wood found between the floors of a building |
| header | extra heavy building member found over a doorway or window |
| amperage | watts divided by voltage |
| black iron piping | steel pipe generally used for gas lines |
| copper piping | pipe generally used for water connections |
| level | theoretically parallel with the face of the earth |
| plum | 90 degrees to level |
| roof pitch | angle of the roof of a building |
| wire nut | used to join to pieces of wire together |
| romex cable | residential wiring with rubber insulation |
| 20 amp circuit | 12 gauge wire |
| 15 amp circuit | 14 gauge wire |
| gfi outlet | type of outlet used near wet or outdoor conditions |
| gypsum board | drywall, wallboard, sheetrock |
