 Department having jurisdiction, provided that the conduit ends are bushed and secured. e. Metal conduits, where they enter junctio'n boxes and at all other outlets, etc., must be provided with approved bushings fitted so as to protect...  Electric Light Wiring - Сторінка 16автори: Charles Edwin Knox - 1907 - 219 стор.Повний перегляд - Докладніше про цю книгу
 | 1906 - 582 стор.
...appliances may be omitted by permission of the Inspection Department having jurisdiction, provided that the conduit ends are bushed and secured. e. Metal...conductivity sufficient to allow the largest fuse or circuit-breaker in the circuit to operate before a dangerous rise in temperature in the conduit system... | |
 | 1906 - 544 стор.
...appliances may be omitted by permission of the Inspection Department having jurisdiction, provided that the conduit ends are bushed and secured. e. Metal...conductivity sufficient to allow the largest fuse or circuit-breaker in the circuit to operate before a dangerous rise in temperature in the conduit system... | |
 | International Correspondence Schools - 1908 - 754 стор.
...appliances may be omitted by permission of the Inspection Department having jurisdiction, provided that the conduit ends are bushed and secured. e. Metal...conductivity sufficient to allow the largest fuse or circuit-breaker in the circuit to operate before a dangerous rise in temperature in the conduit system... | |
 | Henry Charles Horstmann, Victor Hugo Tousley - 1908 - 352 стор.
...them. In this case the conduits should be bushed at the ends and the pipes should be bonded together. e. Metal conduits where they enter junction boxes,...approved nipples, properly fitted in boxes or devices. When a piece of conduit is cut with a pipe cutter, a sharp edge is left on the inside. This edge, if... | |
 | Joseph Gerald Branch - 1913 - 316 стор.
...boxes, and at all other outlets, etc., must be provided with approved bushings or fastening plates fitted so as to protect wire from abrasion, except...approved nipples, properly fitted in boxes or devices. f. Must have the metal of the conduit permanently and effectually grounded. 24. Armored Gables. a.... | |
 | 1913 - 242 стор.
...boxes, and at all other outlets, etc., must be provided with approved bushings or fastening plates fitted so as to protect wire from abrasion, except...approved nipples, properly fitted in boxes or devices. f. Must have the metal of the conduit pennaently and effectually grounded to water piping, gas piping... | |
 | William A. Radford - 1913 - 912 стор.
...and at all other outlets, etc., must be provided with approved bushings, fitted so as to protect the wire from abrasion, except when such protection is...by the use of approved nipples, properly fitted in the boxes or other devices. f. The metal of the conduit must be permanently and effectively grounded.... | |
 | Harry Cooke Cushing - 1915 - 332 стор.
...boxes, and at all other outlets, etc., should be provided with approved bushings or fastening plates fitted so as to protect wire from abrasion, except...approved nipples, properly fitted in boxes or devices. The metal of the conduit should be permanently and effectually grounded to water piping, gas piping... | |
 | Henry Charles Horstmann, Victor Hugo Tousley - 1916 - 458 стор.
...coatings be used in order to secure better electrical contact at all points throughout the conduit system. e. Metal conduits where they enter junction boxes,...the conduit permanently and effectually grounded. Conduits must be securely fastened in metal outlet boxes so as to secure good electrical connection.... | |
 | Nehemiah Hawkins - 1917 - 328 стор.
...boxes, and at all other outlets, etc., must be provided with approved bushings or fastening plates, fitted so as to protect wire from abrasion, except...approved nipples, properly fitted in boxes or devices. Conduits must have the metal of the conduit permanently and effectually grounded. Conduits and gas... | |
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