Keywords:
Test equipment, Non-metals, Fire tests, Pipe tees, Bushes (mechanical components), Electrical insulating materials, Dimensions, Electric conduits, Screwed fittings, Spacers, Locknuts, Impact testing, Marking, Testing conditions, Pipe fittings, Locking and locating devices, Thermal resistance, Elbows (pipes), Pipe couplings, Thermal testing, Solid electrical insulating materials, Design, Dielectric-strength tests, Bend couplings