Electrical Plastic Conduit Fittings: Know Why They Can Be Your Apt Choice
Electrical conduits come in a variety of ranges from metal to plastic to fibre pipes and all of these are designed to secure electrical cables and wires. They’re used everywhere from all the residential and commercial establishments in which they are specially used for wiring which may be either exposed or it can also be fitted outdoors. As they are primely a safety feature, if you’re taking them home, then you should choose the material, size and fittings that depend on the environment of the installation and the kind of wiring it’ll be covering.
Today, we’ll tell you about all the different types from electrical PVC conduit pipes to all the ones that you can opt for.
The different kinds of Conduits:
When it comes to choosing different types, there are almost many of them as there are wires and cables, and they can be widely grouped into metallic and nonmetallic variants. Here are some of the most common types under these categories:
- Rigid Metal Conduit (RMC) – RMCs, or referred to as ‘rigid’ are one of the most often used conduits in commercial establishments. They generally have the strongest and thickest walls that are made from either coated stainless steel or aluminium, and therefore they give the best protection against all the things like impacts, punctures and cuts.
- Electrical Metallic Tubing (EMT) – These are genuinely by far the most often used conduits, even though they’re not technically considered as conduits at all as they’re considered as tubings. Electric metal tubings are often called ‘thin-walls’, as they have a very thin wall than the rigid one, and that is why they should not be used at the places where they may encounter stresses.
- Flexible Metallic Conduit (FMC) – Widely referred to as ‘Greenfield’ or ‘flex’ conduits, these are made from spirally wound metal strips that interlock with each other. They’re most often used for the last feet of wiring, where all the conventional conduit systems are hard to terminate. Another best benefit of FMCs is their power to absorb different vibrations and permit the movement, so they’re generally used to cover wiring for pumps, motors and the types of equipment that are manufactured.
- Polyvinyl Chloride Conduits (PVC)PVC conduit pipes are offered to you in both Schedule 40 and 80, which are typically the ratios of the wall thickness to its outer diameter. And both of them have the same outer diameter, that automatically means a Schedule 40 conduit will get a thinner wall, so it is not allowed for installations where it will be exposed to all the different kinds of physical stresses. PVC conduits are considered for almost all the applications, especially as they are known to be flame-retardant, along with being resistant to sunlight and at the same time they’re quite much affordable. However, they can’t be placed in hazardous places where they are exposed to such temperatures which are over 50°C.
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