Don't assume a concrete-tight fitting is watertight or raintight — those require specific listings. However, fittings listed as raintight automatically qualify as concrete-tight. Although many of us ...

Article 358 covers the use, installation, and construction specifications for EMT and associated fittings. As noted in Sec. 358.42, "Couplings and connectors used with EMT shall be made up tight.

It’s exactly like it. In fact, I even purchased a knock-off version of the FlowTube system about 10 years ago. And, generic cast EMT pipe fittings for building canopy-type structures have been a ...