| 单词 |
pattress |
| 释义 |
pattress|ˈpætrɪs|
Also pat(t)rass, pateras.
[(Corruption of) pateras, pl. of patera.]
A wooden or plastic block attached to a surface to carry a gas bracket, electric light switch, ceiling rose, or the like; the base of a wall socket. Also pattress block, pattress box.
1886J. Black Gas Fitting v. 35 Screw on the pattress blocks, pendants and brackets. 1900P. N. Hasluck Pract. Gas-Fitting iv. 80 The wooden block or pattress is now placed over the tube-bit, the screwed end being passed through the hole in the centre. 1905C. C. Metcalfe Prac. Electr. Wiring ii. 33 Casing brought from skirting board to pateras..will hardly be noticeable. 1928Maycock & Kemp Electr. Wiring (ed. 6) iii. 292 Single- and two-circuit fixture blocks,..are virtually ceiling-rose blocks embedded in hard-wood pattrasses, and without covers. 1934Pract. Electr. Engineer II. 310/2 The patrasses are marked off and drilled, for the fixing and cable holes on their faces, and the conduit entry holes at their sides. 1969A. J. Coker Electr. Wiring (ed. 7) v. 81 Pattress boxes are also available to convert flush-type to surface mounting. Ibid. 83 For fixing and wiring a surface socket-outlet, the circuit cables are first passed through a suitable knockout in the pattress block. 1973G. A. T. Burdett Householder's Electr. Guide xi. 85 These switches are mounted on moulded plastic surface pattress boxes or metal boxes which are sunk into the wall flush with the plaster. 1976Pract. Householder Nov. 66/3 The ceiling roses will, or should be, mounted on pattress blocks but there is unlikely to be an earth. |
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