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.
  • Easy to inspect by opening a 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.
  • 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 risk of fire.
  • Not suitable for wet areas.
  • Need to varnish for maintaining safe operations.
  • This type of wiring can be used only a surface cannot be consed of plaster.

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