 Bushings must be long enough to bush the entire length of the hole in one continuous piece, or else the hole must first be bushed by a continuous waterproof tube.  Science and Industry - Էջ 2581902Ամբողջությամբ դիտվող - Այս գրքի մասին
 | National Carbon Company, Inc - 1911 - 84 էջ
...must be soldered before being fastened under clamps or binding screws, and whether stranded or The wires must be separated from contact with walls, floors, timbers or partitions through which they pass, }>y non-combustible, non-absorptive, insulating tubes, such as glass or porcelain, except at... | |
 | International Correspondence Schools - 1913 - 654 էջ
...lugs for all terminal connections, except where an approved solderless terminal connector is used. d. Wires must be separated from contact with walls, floors,...non-absorptive, insulating tubes, such as glass or procelain, except at outlets where approved flexible tubing is required. Bushings must be long enough... | |
 | Joseph Gerald Branch - 1913 - 316 էջ
...lugs for all terminal connections, except where an approved solderless terminal connector is used. d. Must be separated from contact with walls, floors,...non-absorptive, insulating tubes, such as glass or porcelain, except at outlets where approved flexible tubing is required. Bushings must be long enough to bush... | |
 | 1913 - 242 էջ
...insulating tubes, such as glass or porcelain, except at outlets where approved flexible tubing is required. Bushings must be long enough to bush the entire length of the hole in one continuous piece, or else the hole must first be bushed by a continuous waterproof tube. This tube may be a conductor,... | |
 | Dallas (Tex.). - 1914 - 266 էջ
...these points to prevent such strains. Must be separated from contact with the walls, floor timbers and partitions through which they may pass by non-combustible,...non-absorptive insulating tubes, such as glass or porcelain. (See also Section 14). Rigid supporting requires, under ordinary conditions, where wiring along flat... | |
 | Sinclair Tousey - 1915 - 1418 էջ
...than that of No. 8 B & S. guage, they must be soldered into lugs for all terminal connections. (d) Must be separated from contact with walls, floors,...non-absorptive, insulating tubes, such as glass or porcelain, except as provided in No. 24, u. (e) Must be kept free from contact with gas, water, or other metallic... | |
 | Little Rock (Ark.). - 1915 - 770 էջ
...than that of No. 8 B. & S. gauge they must be soldered into lugs for all terminal connections, (d) Must be separated from contact with walls, floors,...nonabsorptive insulating tubes, such as glass or porcelain, (e) Must be kept free from contact with gas, water or other metallic piping, or any other conductors... | |
 | Harry Cooke Cushing - 1915 - 332 էջ
...apart, and where it is The wires should be separated from contact with the walls, floor timbers and partitions through which they may pass by non-combustible,...non-absorptive insulating tubes, such as glass or porcelain. Rigid supporting requires, under ordinary conditions, where wiring along flat surface, supports at... | |
 | Walter Benedict Weber - 1916 - 164 էջ
...kept at least five inches apart. Must be separated from contact with the walls, floor timbers, and partitions through which they may pass by non-combustible,...non-absorptive insulating tubes, such as glass or porcelain. Wires passing through cross timbers in plastered partitions must be protected by an additional tube... | |
 | Terrell Croft - 1917 - 446 էջ
...between the insulation on the conductor and the end of the terminal lug, as shown at /. 16d. If /. WIRES. Must be separated from contact with walls,...non-absorptive, insulating tubes, such as glass or porcelain, except at outlets where approved flexible tubing is required. Wires passing through floors, timbers... | |
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