Use the GH-50 Bronze Economy 360 Degree Conduit Hub alongside NSI ground clamps to ground copper grounding conductor to water pipes in indoor environments. This 1/2" adapter hub swings 360 degrees to make alignment simple and offer greater flexibility in installation. The threaded bronze hub is cast of high-strength, highly conductive bronze and made of economical, high-quality metals that provide durable performance in a range of applications. Conduit hub fits ground wire in the range of 10 SOL to 4 STR. Stock products you can rely on—stock NSI.