| 摘要 |
An [angularly adjustable] angularly adjustable electrical conduit fitting includes an articulate metal conduit bendable at least 90 degrees about an arc having an inside radius of curvature not exceeding 12 inches, the conduit [in its preferred from] being between 19+E,fra 3/4+EE and 20+E,fra 3/4+EE inches long in a contracted state and being extendable by between 21% and 23% of its contracted length and having at one end a conduit coupling and at its opposite end a conduit or wall opening connector.
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