Across
- 1. control for an HVAC system
- 3. path for alternating current to flow back to source
- 7. material that electricity can travel through
- 9. a cycle of alternating current
- 11. protects transformer
- 12. a relay with a delay
- 13. the power line for alternating current
Down
- 1. increases/decreases voltage
- 2. where excess voltage dissipates to
- 4. alternating current
- 5. Direct current
- 6. line of power
- 8. the thickness of wire
- 10. set of contacts