| 释义 |
loop-in
[f. vbl. phr. to loop in (see loop v.1 5 b).]
A connection between two lengths of wire made at a terminal in the loop system. Usu. attrib., as loop-in system = loop system (s.v. loop n.1 6).
1908Installation News II. 86/2 In comparing the third method with the second, which is the usual method of loop-in wiring adopted, it will be found that there is a saving of wire in the new method. 1911A. Bursill Princ. & Pract. Electr. Wiring vi. 35 Fig. 18 shows four lamps connected in parallel on the loop-in system. 1960E. L. Delmar-Morgan Cruising Yacht Equipment & Navigation xvii. 187 Even with the ‘loop in’ system one or at most two pairs of fuses will be sufficient. 1967G. A. T. Burdett Electr. Installations 224 To overcome the inherent dangers of using an ordinary three-plate ceiling rose as a looping-in point for the live feed an entirely new purpose-made loop-in ceiling rose has been introduced. Ibid. 226 More recent patterns..have a fourth terminal which is intended for the earth continuity conductor loop-in. |