The Challenge: Carling Technologies, Inc. was contacted by a major US welding company to produce a sealed toggle switch that would be cost-effective, yet stand up to an IP-65 rating. The product was a small welding machine, which is often mounted on the back of a truck and exposed to a variety of elements, including dust, dirt, rain and snow. One main concern in making this type of sealed toggle, was to keep the cost down – depending on the type

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