Mount a length of strut channel between the sides of a beam to run cable and conduit along the beam without drilling. Position the mounts at either end of a piece of strut channel that is 1"-1 1/2" shorter than your beam opening. Turn the bolt on the mount to tighten. Studs hold the mounts securely against the beam.
Zinc-platedsteel mounts are more corrosion resistant in wet environments than painted steel mounts.
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