General

Information on Conduit Fittings

Conduit fittings are connectors and fittings that are used to join two pieces of conduit or to connect conduit to an electrical box. They come in a variety of metals and with varying levels of dampness protection.

Conduits come in a variety of shapes and sizes.

There are virtually as many sorts of conduits as there are wires and cables when it comes to possibilities, and they can be divided into metallic and nonmetallic varieties. The following are some of the most prevalent types that fall under these categories:

Conduits Made of Metal

RMC (Rigid Metal Conduit) – RMCs, often known as “rigids,” happen to be one of the most prevalent conduits found in commercial buildings. They normally feature the thickest and hardest walls, which are usually composed of coated stainless steel or aluminium, and provide great protection against impacts, punctures, and cuts. They are also available with various corrosion-resistant coatings and can be used both indoors and outdoors in most situations, including as equipment grounding conductors. However, they are heavy, difficult to bend, and more expensive, and if you cut them, you will need compression fittings or a rethreader.

Electrical Metallic Tubing (EMT) – Even though they’re not technically conduits (they’re classified as tubings), they are by far the most widely used conduits. Because EMTs have a significantly thinner wall than RMCs, they’re sometimes referred to as “thinwalls,” which is why they shouldn’t be employed in situations where they’re likely to be stressed. These are also available in galvanised steel or with a rust-resistant coating, and can be utilised as ground conductors, embedded in concrete, or for direct burial in most indoor and outdoor applications. Fittings for EMTs are both generally accessible and inexpensive, plus they are significantly lightweight and bend easily.

FMC (Flexible Metallic Conduit) – FMCs are spirally coiled metal strips that interlock and are sometimes referred to as “Greenfield” or “flex” conduits. They’re typically used for the final few feet of wiring, where traditional conduit systems are tough to handle and terminate. FMCs are typically used to contain wire for pumps, motors, and manufacturing equipment because of their capacity to absorb vibrations and facilitate mobility. The disadvantage is that they aren’t very resistant to impacts and corrosion, and they can’t be utilised outdoors, buried, or implanted.

Liquidtight Flexible Metallic Conduit – LFMC – — They are created in the similar way that FMCs are, with the exception that LFMCs have an overall non-metallic exterior covering that happen to be waterproof and resistant to crack from sunlight exposure. The additional protection offered by the covering overcomes most of FMC’s limitations, allowing them to be used outside and in damp environments as long as water does not enter through joints and end connectors. While immediate burial is an option, they are still susceptible to physical harm and should not be exposed to pressures or enclosed in concrete. Aluminum Conduits – Conduit fittings malaysia are sturdy conduits that are commonly used in commercial and industrial settings. Aluminum conduits are preferable in situations where they will be exposed to large amounts of water or corrosive substances due to their excellent corrosion resistance. They are, however, particularly vulnerable to concrete since the metal reacts with it, but if they must be implanted in concrete, they can be coated with special coatings.

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