porcelain tube

porcelain tube

A ceramic tube having a slight shoulder on one end; in exposed electric wiring, used to carry an insulated conductor where it passes through a wood joist, stud, etc.
References in periodicals archive ?
During catheterization we realized that the entire aorta, from the iliac bifurcation to aortic cusps, had severe calcification resembling a porcelain tube (Fig.
It's a pencil-shaped porcelain tube with a metal tip on one end and a wire running to the other end.
Developing a highly innovative method involving the carving of porcelain tubes fused into a solid block, Sakurai produces perforated vessel forms that explore the interaction of light and shadow.
In new or retrofit construction when a house's structural framing members were exposed, electricians ran the rubber-sheathed wires inside porcelain tubes where they passed through framing members.
Yasuko Sakurai creates a honeycomb effect in White Flower by hand forming the vessel around porcelain tubes that are extracted as the piece dries prior to firing.