R-1 — لوائح التركيبات الكهربائية

770 ملحقات الأسلاك - حوامل المصابيح

الصفحة 33 في الوثيقة الأصلية

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770 WIRING ACCESSORIES - LAMP HOLDERS

770-1 All lamp -holders shall preferably b e of the all -insulated pattern and if not separately and firmly
attached to a bracket, conduit or block shall have a substantial cord grip with the flexible wire so connected
that no pull due to the weight of the holder, lamp shade or fitting or pull on the flexible can be transmitted to
the connections of the conductors to the terminals.

770-2 All batten, back-plate or thread mounted lamp holder shall be free from edges or other projections
which might damage the wiring.

770-3 In bath room, kitchen and other places where water is regularly used, no lamp holder within 2.5
metres of the floor shall be within 2 metres of any taps, pipes, bath, basin or sink, unless it and the lamp are
totally enclosed in a fitting of all insulated construction and the lamp -holder is of the heavy duty porcelain
type. Such fitting shall not be of the type which is suspended by the flexible cord, bu t shall be permanently
mounted on the wall or otherwise supported independently of the current carrying conductors.

770-4 All lamp-holders of the screw c ap lamps shall be so connected that the contact formed by the screw
cap is connected to the neutral conductor.