This document provides common electrical symbols used in schematics including symbols for wires, light outlets, convenience outlets, switches, panel boards, circuit homeruns, circuit breakers, service and ground connections, telephones, fuses, fire alarm systems, and circuit diagrams. It serves as a reference for basic electrical components and their graphical representations.

1. Electrical Symbols
Engr. Maria Romina P. Angustia

2. WIRE

3. INCANDESCENT/LIGHT OUTLET

5. FLUORESCENT LAMP OUTLET

6. CONVENIENCE OUTLET

7. Example:

8. SWITCHES

9. PANEL BOARD

10. CIRCUIT HOMERUN
CIRCUIT BREAKER

11. SERVICE AND GROUND

12. TELEPHONE & INTERCOM
FUSE

13. FIRE ALARM SYSTEM

15. CIRCUITING