Benefits of non-metallic conduits

21, Oct. 2024

 

Benefits of non-metallic conduits

Benefits Of Non-Metallic Conduits

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Flex-It Co. Uk - Flexible Conduit Systems & Wiring Accessories

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Want to protect and route electrical cables?

A conduit is a tube that's designed to carry electrical wiring in domestic, commercial, and industrial buildings and structures. Its main purpose is to protect the encased wires against fire, mechanical damage, water, and corrosion.

There are two common types of conduits: metallic and non-metallic.

In today's article, we'll be looking closely at non-metallic conduits ' including the different varieties, their uses, and benefits.

What are non-metallic conduits?

Non-metallic conduits are usually made from PVC (polyvinyl chloride), the third most widely used synthetic plastic polymer in the world.

When used for applications above ground, conduits must be flame-retardant, tough, and resistant to the elements (i.e. heat, sunlight, low temperatures, etc.).

Unlike its metal counterpart, which is typically reserved for protecting sensitive circuits, a non-metallic conduit can be used above and below ground, in multiple or parallel run configurations.

Types of non-metal conduit

Supplied in both rigid and flexible forms, there are several types of non-metal conduits to choose from ' each one offering its own properties and benefits for different applications.

These include:

  • Rigid non-metallic conduit (RNC) ' a non-metallic, unthreaded, smooth-walled type of tubing, often made from PVC and used in wet locations.
  • Electrical non-metallic tubing (ENT) ' a thin-walled corrugated tubing that is moisture-resistant and flame retardant. ENT is also flexible and pliable, making it an excellent choice for encasing wires inside walls.
  • Liquid-tight flexible non-metallic conduit (LFNC) ' a PVC conduit with a smooth inner and outer surface, widely used in heating, ventilation, and air conditioning (HVAC), power plants, and various other indoor and outdoor hazardous locations.

Here the team at Flex-It share the key advantages of using non-metallic conduits.

4 reasons to use non-metallic conduits

1.    Resistant to moisture

Non-metallic conduits provide excellent protection from moisture ingress ' making them ideal for underground applications and wet areas in industrial and commercial environments. They essentially prevent water, oil, and dirt from getting in.

2.    Resistant to corrosion

When compared to metal conduits, non-metallic conduits offer more resistance to corrosive substances. Materials such as PVC and polypropylene don't break down when they come into contact with saltwater or other chemicals.

This explains why they are becoming more popular in underground installations in domestic, commercial, and industrial settings.

3.    Easy to install

Non-metallic flexible conduits are super simple to install. Whilst they are all lightweight and designed to keep wires neat, tidy, and safe, some are split to make cable insertion even easier. Ideal if you ever need to replace a damaged or faulty cable and don't have much time.

4.    Cost-effective

Whilst all conduits are priced competitively, non-metallic conduits tend to be the least expensive option. Great if you're on a budget and looking to protect electrical cables either above or below the ground.

It's worth noting that non-metallic conduits are sold in various coil lengths ' ranging from 25m up to 100m. So, to help keep your costs low, work out the required length and purchase the most suitable product for your application.

Purchase non-metallic conduit online

Here at Flex-It, we have an extensive range of conduits available to choose from ' including metallic and non-metallic, and flexible and rigid.

So, no matter what project you're embarking on, and whether you need conduits to protect the electrical wires in your home, business, or industrial building or structure, we're confident that you'll find something suitable.

If you'd like to know more about the non-metallic conduits we supply, or ask for help selecting the best one for your needs, don't hesitate to get in touch.

Either give us a call on 812 195 or , and we'll get back to you as soon as possible.

Benefits Of Non Metallic Conduits FAQs

How can a non-metallic conduit be used?

Non-metallic conduits are unbelievably versatile and provide a reliable cable management solution for several indoor and outdoor applications.

They're suitable for use in wet, dry or oily locations and are best used in commercial or industrial projects ' but this isn't to say that you can't use them to tidy up your cables at home, in your living room for instance.

Typical uses include ground burial, HVAC (heating, ventilation and air conditioning) units, pools and spas.

If you're unsure as to whether non-metallic conduits are suitable for your project, or you need more specific product descriptions, be sure to get in touch with our specialists.

They're always more than happy to help and offer advice.

How soon can I have non-metallic conduits delivered?

Here at Flex-It, our team aim to despatch all orders placed by 2:30 pm (Monday-Friday, and subject to availability, of course) on the same day.

If you need your conduits urgently, we offer a next day delivery option, but this comes at an extra cost. All other orders are subject to standard UK delivery times, and you should receive your order within 3-5 working days.

For all UK orders worth over £125, delivery is on us! You're more than welcome to contact our team if you have any questions or concerns about your order.

Give us a call to speak to us directly, or send us a message via to and we'll get back to you as soon as we can.

We're available every Monday-Thursday from 8:30-17:00 and every Friday from 8:00-16:30.

How do I pay for my order?

Where payment is concerned, you have a couple of different options.

We accept payments from a number of different credit/debit cards (Visa, American Express, Mastercard, etc.) as well as from credit accounts you can open with us.

Credit accounts will only be offered upon the provision of two satisfactory trade references as well as a banker's reference.

If you make a payment via a credit account, we must receive funds no later than the last working day of the following month, and we reserve the right to charge 2% interest on any overdue payments.

For payments made on a debit or credit card, your card will be charged on the day we despatch your order.

All payments are authorised by Worldpay, and you can rest assured knowing that all card information is securely destroyed after payment has been made.

Why choose Flex-It?

As a small family business established in , we're immensely proud of the reputation we've built for ourselves.

Recognised for our superb range of high-quality flexible conduits, we've worked with many high-profile businesses ' including Buckingham Palace, Google and McDonald's, just to name a few.

Whether you're looking for flexible non-metallic conduits or you need other wiring and cable accessories, we have the perfect solution, and for an affordable price too!

To find out more about our non-metallic conduits, or any other of our products, give our experts a call on 812 195.

Alternatively, you can fill out our online contact form by hitting the 'enquire now' button located on the right-hand side of this page, and we'll be in touch with you as soon as we can.

Contact Us

Metallic vs. Non-Metallic Conduit

Wire and cable protection is vital for safe and effective applications. While various conduits can defend against wear and corrosion, some are better suited to specific projects and working environments.

You can secure your wires and cable against water, heat, corrosion and intrusion damage with suitable conduit materials. Weighing the differences between metallic and non-metallic conduits can help you select the right materials and protection levels for your applications.

How Are Metallic and Non-Metallic Conduits Similar?

Want more information on Non-Metallic Corrugated Conduit manufacturer? Feel free to contact us.

Metallic and non-metallic conduits can both protect electrical wiring in various applications like heating, outdoor lighting and underground cabling. A metal conduit is made with stainless steel that is galvanized and coated as well as aluminum ' perfect for withstanding harsh conditions like extreme heat and cold. Metal conduits are excellent for industrial applications like protecting wiring on railway lines and cables in walls and floors.

A non-metallic conduit is made from materials like polyvinyl chloride (PVC), polyamide, polypropylene and polyurethane ' excellent for installing in tight spaces like HVAC systems. Businesses can use pliable conduits in numerous outdoor and indoor applications, like protecting indoor residential wiring and cables in swimming pools.

Similarities of Metal vs. Plastic Conduits

Here are some similarities between metal and plastic conduits.

Purpose

Plastic and metal conduits are both used to protect electrical wiring. Plastic options are versatile, perfect for commercial and residential applications like underground cable insulation in irrigation systems and building surfaces. Metal conduits are sturdy and reliable for protecting aerospace and automotive equipment wiring and resending electrical ceiling wiring.

Durability

Both metal and plastic conduits can withstand moisture, heat and corrosion like rust. Metals like steel and aluminum are robust and resist tears, cuts and other damage. PVC and other plastic materials can be rigid and are wear-resistant and chemical-resistant. They can also repel fires and electrical hazards.

Size Options

You may need conduits for a wide range of applications, from bridge construction to HVAC systems. Whatever your requirements, both metal and plastic conduits come in various sizes that fit numerous functions.

Safety

Plastic and metallic conduits can prevent electrical fires and provide insulation from mechanical damage. Plastic options can be fire-resistant and can contain the spread of fire. While metal is an electrical conductor, metal conduits are fireproof and can transport electric power safely to the source.

What Is the Difference Between Metallic and Non-Metallic Conduits?

While metallic and non-metallic conduits can serve the same purposes, they differ significantly. Understanding and comparing their differences can help you decide which option to choose.

Price

Non-metallic conduits can be less expensive than metallic. Metals are thicker than plastic and can cost more to manufacture. Metal conduit manufacturing can also require more intricate tools and specialized skills, and the manufacturing timeline can be longer. Plastic is a lighter material and takes less labor to manufacture. Plastic can also be more readily available for conduit manufacturing.

Application

Businesses can use non-metallic conduits for applications like residential wiring in concrete surfaces and walls to protect against electrical faults and fires. In addition, PVC conduits are great for securing electrical ceiling wires.

Rigid metal conduits are ideal for exposed cables along building walls, attics and outdoor areas. Applications for flexible metal conduits include more complex, high-pressure environments like wiring in aerospace equipment. Steel conduits can also be used as grounding or earth conductors to carry electrical current safely through power supplies.

Weight

Plastic can weigh less than metal conduits, making it easier to install these options in various positions and at different angles. Rigid metallic conduits are often heavier, but are ideal for withstanding heavy loads and underground environments.

Strength

When it comes to durability, metal is the more robust material overall. Metal conduit can withstand extreme high and low temperatures and last for many years. For example, businesses can use metal conduits for grounding wiring in snow and extreme heat as well as high vibration and force on railway lines.

Corrosion Resistance

Non-metallic conduits can often withstand wear and corrosion like warping, rotting and rust better than metal counterparts. While businesses can use metallic and non-metallic options in damp, humid locations, metal conduits may require a plastic coating to prevent water and chemical damage.

Recyclable

If sustainability is a priority, metallic conduits are typically a more eco-friendly option. Aluminum is one of the most reusable materials, though many plastics like PVC are also recyclable.

Safety Rating

While metallic and non-metallic options can be safe for numerous uses, rigid metallic conduits often have a higher electrical safety rating since they resist high electrical voltages and can protect against electrical hazards.

Which Type of Conduit Should You Use?

Consider factors like size, cost and safety to select the right conduit solution for your needs.

Safety Requirements

It's important to follow local and national safety regulations when selecting an electrical conduit. Various safety codes offer specific directions on conduit installations, inspections and circuit approvals. Businesses must also choose conduit materials that are appropriate for their specific application.

To ensure safety, it's essential to consider factors like moisture, wear, pests, vibrations, chemical resistance and heat resistance depending on industry application, location and conditions.

Size

A conduit should be the right size for the specific job at hand. Determining the proper conduit diameter is crucial to ensure a secure fit and prevent moisture damage. It's also important to think about application in order to choose the right size. For example, underground electrical protection can require longer conduits, while a heating system may need shorter or smaller tubes.

Project Goals

Various conduits offer benefits like liquid resistance, flexibility and easy installation, so your choice should align with the specific project's goal.

For example, a liquid flexible metal conduit (LFMC) can offer hardness and water resistance and is versatile ' ideal for protecting wiring in water treatment facilities. In contrast, liquid-tight flexible non-metallic conduit (LFNC) can be suitable for interior and exterior use in dry or wet conditions like wire protection in HVAC systems.

Conduit Fittings

Selecting a suitable conduit fitting material is vital. Whether the fitting is plastic or metal, it must offer the same moisture resistance and corrosion resistance as the conduit. Consider fittings like liquid-tight plastic for liquid-tight conduits or metal fittings for rigid metallic conduits.

Customization and Availability

Equipment and projects can vary, requiring specialized conduits, fitting designs and sizes. Consider suppliers who can tailor conduits and fittings to meet various requirements. In addition, some parts can take longer to manufacture than others, so determine the availability of options and if a supplier can meet project demands on time.

Find the Conduit Material for Your Application at AerosUSA

AerosUSA provides premium quality wire and cable protection. With over 10 years of industry experience, we know the importance of getting the right conduits for your applications. We offer a range of conduit and fitting materials to meet your project requirements, whether you need non-metallic or metallic options.

Browse our selection or contact us for assistance with your next project.

Reviewed for accuracy by: George Sims.

George Sims is an engineering and service-oriented leader in Cable Protection and Cable Management Products. Focus is on 100% commitment to customer satisfaction. AerosUSA is a small, agile, independent company whose focus is on our customers.

Contact us to discuss your requirements of Gooseneck Tube services. Our experienced sales team can help you identify the options that best suit your needs.