Abstract: A marker device includes a plate receiving an identifying message and at least one pair of arms facing each other and adapted to attach the device to a support. Each arm includes in the gap between them a finger extending towards the plate. Over at least the width of the finger in the direction parallel to the lengthwise direction of the plate, the arms each lie alongside a respective opening in the plate providing access to the finger. One application of the device is to marking electrical conductors and/or electrical devices such as terminal blocks, for example, provided with an appropriate support.

Abstract: Trunking, in particular trunking for electrical apparatus, includes a body with inwardly directed lips and a cover adapted to be snap-fastened to the lips. The trunking further includes a cover jointing member extending transversely between the lips of the body to cover the end of the cover. At one end at least it is provided with a latch for locking it to the respective lip of the body.

Abstract: A device for butt-joining two sections of perforated cable tray includes a fishplate having on each side of a central area a latch member adapted to slide in a longitudinal slot with hoops adapted to cooperate with a line of perforations and to be locked therein by means of a comb member.