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5 November 2019

Advantages and disadvantages of wooden casing and capping wiring

Wooden casing and capping wiring systems are suitable for low voltage domestic installation and here we are using VIR or PVC wires are used. This wiring is used for V-shaped grooves and usually two in number. These wires are laid in grooves and the casing is covered by a rectangular strip of the same width, that called capping and that was fitted by means of a screw. Capping and casing are made up of teak wood.


Advantages of the wooden casing and capping wiring:

  • It is a long life if properly done and varnished.
  • Good and neat appearance than cleat wiring.
  • It is easy to install and rewire.
  • There is no risk of electric shock because all cable is covered.
  • Easy to inspect by opening a capping.
  • The customization is possible in the casing capping
  • It provides good insulation as a conductor is a good distance apart.
  • Cheap is costly as compared to lead sheath wiring and conduit wiring.
  • There is no risk of mechanical shock.
  • Free from the trouble of condensation so advantages in tropical countries.

Disadvantages of the wooden casing and capping wiring:

  • Wood is inflammable and there is a high risk of fire.
  • Not suitable for wet areas.
  • The initial cost of the system is high, so this wiring is expensive.
  • It can be used at 220 V.
  • The humanity is directly affected on the casing capping
  • The fault-finding process is difficult.
  • Need to varnish for maintaining safe operations.
  • Costly repairing and need more materials.
  • It is nor suitable for acidic, humidity and alkalies conditions.
  • This type of wiring can be used only a surface cannot be consed of plaster.
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