The Sperry Instruments name has been synonymous with quality, precision, and dependability for over forty years. At Sperry, our products are a representation of our commitment of excellence to you, our customers. Industry leading warranties combine with expert technical assistance and product support to provide premier test and measure solutions to the electrical marketplace. Durability, accuracy, and safety are the hallmark of tried and true tester products; that's why we use this phrase during the development process of each and every unit.

Whether you're wiring a home theater or installing a ceiling fan, Sperry offers quality products including electrical tools, voltage testers and wire management products that will help you get the job done right. Sperry branded electrical tools, voltage testers, wire management products and professional equipment are a mainstay with both electricians and electrical contractors alike.

Founded in 1966 in Hauppauge, New York, Sperry quickly rose to become one of the world's premier electrical tester companies by expanding market presence through professional channels and catalog publication. Sperry Instruments became part of the Power Products LLC family of brands in 2004 and today the company is headquartered in Menomonee Falls, Wisconsin.