| 摘要 |
<p>A luminaire, for example for use in horticulture, has a lamp fitting 10 which has a lamp holder plate 12 having a screw thread 14 at one end and a lamp holder 16 adjacent the plate 12 which has a lamp socket 16. A fastener 20 is screwed onto the screw thread 14. An earth plate 22 is located between the lamp holder plate 12 and the fastener 20, so that tightening the fastener 20 on the screw thread 14 clamps the earth plate 22 therebetween.</p> |
