Glossary
Electrical Drafter Terms & Vocabulary
15 essential electrical drafter terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.
Key electrical drafter vocabulary
These 15 terms come up constantly in electrical drafter training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.
- Conduit run
- Path of conduit.
- Ladder diagram
- Control logic drawing.
- Layer
- Group of drawing items.
- Lighting plan
- Fixture layout.
- Load calculation
- Total power needed.
- Markup
- Engineer’s corrections.
- NEC
- National Electrical Code.
- One-line diagram
- Simplified power diagram.
- Panel schedule
- List of circuits.
- Revision
- Drawing change.
- Riser diagram
- Vertical power layout.
- Scale
- Drawing size ratio.
- Schematic
- Circuit diagram.
- Symbol legend
- Key to symbols.
- Title block
- Drawing info box.
Practice these terms
Test yourself with the free Electrical Drafter practice test: it includes vocabulary questions built from this list. For a complete course, see Electrical Drafter training.
Browse terms from every career in our career glossary.