Basically, there are four types of electrical wiring procedures.
They are
In this type of wiring, the insulated conductors are supported on porcelain or wooden cleat. The cleats have two halves.
One base and another cap. The cables are placed in groves in the base plate and a cap is placed on it.
Cables are held in porcelain or wooden cleats at 6mm above the walls or ceiling.
Cleat wiring is generally used for temporary wiring purposes not as a permanent system of wiring. It is not preferred on domestic premises.
But, it is quite suitable for taking a temporary connection in industrial construction work.
This wiring system is a very old method in which all wires are tied with an iron clip on top of a wooden strip (batten) and this collection is used in large quantities so that the wire is very well sealed with some wooden strip.
This clip is like a belt to a wristwatch. Which is placed on top of the first strip and then by laying wires on top of the strip, it is tied well with this clip.
This type of wiring is very popular. Because this wiring system is very easy to do and it is also very cheap.
If it is done above the walls, then anyone can fit it very easily in this wiring fitting, the wires are placed inside the plastic casing or wooden enclosures.
It is a kind of open fitting it is covered from the top so that it looks good and looks more secure.
The conduit wiring system is of two types.
Conduits carrying the PVC insulated wires can be installed on the surface of the walls or concealed in the walls and the ceiling.
Conduit wiring is a system, basically, wires or cables which are routed in metal or plastic inside the wall.
Conduits isolate wires to avoid exposure, thereby reducing the risk of fires, short circuits, fire, electrocution.
Modern practice is the hidden installation of the conduit in the plaster of the wall, so that appearance of the house or the building remains unaffected. Conduits are available in standard lengths.
The conduits system for each circuit must be erected completely before any cable is drawn in.
Reference: Engineering Basics: Electrical, Electronics, and Computer Engineering by T.Thyagarajan
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