Wooden casing and caping wiring

Wooden casing capping wiring 

1 This is one of cheapest types of wiring and is commonly used for house wiring.

2 The cable used in this

    type of wiring is either 

    V.I.R or P.V.C or any

   other approved insulated   

   cables.

Advantages

1 Better appearance than cleat wiring. 

2 Cheap in cost.

3 Easy to install and rewire. 

Disadvantages 

1 Not suitable in damp places. 

2 Risk of fire 

3 This type of wiring can be used only on surface and cannot be concealed in plaster. 

4 Since it requires better workmanship labour cost is more. 

Application 

This type of wiring is suitable where acids and alkalis are likely to be prescut.