Understanding Your Home Electrical System

Electrical Service Panel

Fuses and Circuit Breakers


Instructions for Replacing Fuses:

Circuit Breakers

Arc Fault Circuit Interrupters (AFCIs)

Home Wiring System

Knob & Tube Wiring: 1800s–1930s

Aluminum Wiring: 1960s through 1970s

Grounded Electrical Systems: 1940s through Present

Electrical Outlets and Receptacles

Polarized & Grounded Outlets: 1920s – Present

Tamper Resistant Receptacle (TRRs)

Ground Fault Circuit Interrupters (GFCIs)

Extension Cords

Please contact Grand Hawaii Electric if you notice any of these issue(s), we will send our professional electrician(s) to resolve these electrical issue(s).

Contact phone: 808-366-3839
Email: Johny@Grandhawaiielectric.com