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Installing an electrical recepticle on a basement structural support post

28K views 8 replies 6 participants last post by  Red Squirrel  
A beam clamp is a U-shaped device which has the sole purposeof mounting electrical fittings to a steel beam. A good hardware store, big box store or an electrical supply house will have what you need. It's commonly tapped with 1/4-20 holes to fasten the fitting or in your case the box directly to the clamp.