1.3.13. The lamps which are built in panels of doors

Fig. 1.68. The lamp which is built in the door panel: 1 – lamp plafond

Each plafond 1 joins when opening a door or covers of ware offices in a floor (fig. 1.68).
When unlocking and opening a side door or door of a back plafonds of lighting and lamps of the lower illumination temporarily join.