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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
Fax: 1-602-862-0215
Email: sales@quick220.com

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