Precautions of Concealed Conduit Wiring

Precautions of Concealed Conduit Wiring Points : Precautions of Concealed Conduit Wiring

1. If the ceiling is of reinforced concrete, it may be necessary to erect the conduit system on the shuttering and secure it. If not secure, then it may move out of position.
2. When plastic or wooden or metal boxes are buried in walls before plastering, it is advisable to stuff the boxes with paper to prevent their being filled with plaster.
3. All the safety precautions which are taken in surface conduit system will also be implied in concealed system.
4. Whenever conduit is to be buried by concrete special care must be taken, otherwise liquid cement may enter the conduit.
5. The interior surface of the conduit must be clean and dry otherwise the cables may suffer damage.
6. Make sure that the plaster is finished neatly round the outside edges of flush switch and socket boxes.
7. The conduits must be installed during building construction work in concrete ceiling.
8. Every, metal box must be earthed.
9. Always use the looping-in method.