Our business hours are 8 AM to 4:30 PM, Mountain Standard Time, Monday through Friday. (Arizona does not observe Daylight Time.) Please call if you have any questions.
Diamond H Company, LLC
doing business as Quick 220® Electrical Systems
2432 W Peoria Avenue
Suite 1094 B6
Phoenix, Arizona 85029 USA
Telephone: 1-800-347-0394 (US & Canada) or 1-602-938-6057