Precautions of concealed conduit wiring

• The interior surface of the conduit must be clean and dry otherwise the cables may suffer damage.
• Every metal box must be earthed.
• Always use the looping method.
• The conduit must be installed during building construction work in the concrete ceiling.
• All the safety precautions which are taken in the surface conduit system will also be implied in a concealed system.
• Whenever conduit is to be buried by concrete special care must be taken, otherwise, liquid cement may enter the conduit.
• If you celling is reinforced concrete, it may be necessary to erect the conduit system on the shuttering and secure it, IF not secure than it may move out of position.
• When plastic or wooden or metal boxes are buried inwall before plastering, it is advisable to stuff the boxes with paper to prevent their being with plaster.

Explore more information:

1. Precaution of casing capping wiring
2. Precaution of cleat wiring
3. Precaution of  concealed conduit wiring
4. Precaution of  conduit wiring
5. Precaution of batten wiring
6. Precaution of lead sheathed wiring