Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Colton Substation - Condenser & Frequency Changer
photCL SCE 02 - 11630

Visual Materials
Colton Substation - Frequency Changer inside station
photCL SCE 02 - 03498

Visual Materials
This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change. Pg. 219.
photCL SCE 11 - 00438

Visual Materials
Chino Substation - Racks and Frequency Changer.
photCL SCE 02 - 24403