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Flexible exterior electrical tubing, also known as flexible electrical conduit, is a type of protective conduit used for routing and protecting electrical wires, cables, and other types of conductors. It is typically made of a durable and pliable material, such as plastic or metal, that allows it to bend and flex without breaking or damaging the wires inside. Flexible conduit is designed to provide flexibility and ease of installation, especially in enclosed areas with hard-to-reach places. It is also used in harsh conditions to protect electrical wiring from moisture, dust, heat, and physical damage. Flexible electrical conduit comes in a variety of materials and colours, with some being suitable for burial underground or exposure to sunlight and rain.
| Characteristics | Values |
|---|---|
| Purpose | Routing and protecting electrical wires, cables, and other types of conductors |
| Types | Metal and non-metal |
| Metal types | Flexible Metal Conduit (FMC), Liquidtight Flexible Metal Conduit (LFMC), Rigid Metal Conduit (RMC), Intermediate Metal Conduit (IMC), Flexible Metallic Conduit (also known as "Greenfield" or "Flex") |
| Non-metal types | Electrical Nonmetallic Tubing (ENT), LFNC (also known as "Carflex" or Sealtite), PVC |
| Shape | Circular cross-section |
| Surface | Smooth, ridged, or corrugated |
| Flexibility | High |
| Ease of installation | High |
| Durability | High |
| Protection | Moisture, dust, heat, corrosion, UV radiation, physical damage, electromagnetic interference (EMI) |
| Use cases | Residential, industrial, commercial, outdoor, underground, water heaters, lighting fixtures, air conditioning units, communication systems, signage, landscape lighting, sprinkler systems |
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What You'll Learn
- Flexible electrical conduit tubing protects electrical wiring in enclosed areas with hard turns
- Flexible tubing is made from materials like metal, fibre or plastic
- Flexible tubing is liquid-tight and flame retardant
- Flexible tubing is used outdoors, underground and in wet operating conditions
- Flexible tubing protects electrical wiring from moisture, dust, heat and physical damage
Flexible electrical conduit tubing protects electrical wiring in enclosed areas with hard turns
Flexible electrical conduit tubing, also known as flexible electrical conduit or flexible tubing, is a protective conduit used for routing and
Flexible conduit provides flexibility and ease of installation in applications where rigid conduit may be impractical or difficult to use. It is available in various types categorized by materials used, wall thickness, tubing size, and mechanical stiffness. The choice of conduit depends on factors such as corrosion resistance and cost. Flexible conduit systems offer robust protection for wiring in challenging environments and can be used as pull outlets for conductors already in place.
One commonly used type of flexible conduit is Flexible Metal Conduit (FMC), also known as greenfield or flex. It is made by coiling a ribbed strip of aluminum or steel into a hollow tube, providing the strength of a metal conduit while allowing for easy bending and flexing without maintaining a permanent shape. FMC conduits have effective rust prevention measures and are designed to be strong, with high hardness and excellent impact resistance.
Another type of flexible conduit is Electrical Nonmetallic Tubing (ENT), which is composed of a nonmetallic material that offers resistance against moisture and chemical atmospheres, ensuring the protection of electrical wiring. ENT has a corrugated shape, which eliminates the need for threading, and it can be easily bent by hand without requiring additional tools. It is important to note that while ENT is flexible, the associated fittings and connectors may not be as pliable.
Flexible electrical conduit can be installed in various environments, including buried in concrete, underground, outdoors, or in harsh operating conditions. It is an essential component for protecting electrical wiring systems from exposure and wear, shielding people from injury, preventing equipment damage, and averting electric shocks.
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Flexible tubing is made from materials like metal, fibre or plastic
Flexible tubing is used across a wide range of industries, including automotive, power, medical, military, agriculture, retail, and packaging. It is used to transport liquids, gases, and other materials. Flexible tubing is also used to protect electrical wiring in residential, industrial, and commercial applications.
Flexible tubing is made from materials like metal, fibre, or plastic. Metal tubing is typically made of steel or aluminium, and most metal conduits have effective rust prevention measures in place. They are designed to be durable, with high hardness and excellent impact resistance. Metal tubing is often used in applications where a flexible solution is required for routing and protecting electrical wires.
Plastic tubing is made from a mixture of a polymer and a variety of chemicals to form a solid or flexible material. Common types of plastic tubing include PVC (polyvinyl chloride), PE (polyethylene), PP (polypropylene), TPE, nylon tubing, and silicone tubing. Plastic tubing is often preferred over metal tubing because it is lightweight, corrosion-resistant, cost-effective, and customizable. It also offers consistent strength and can be produced in any wall thickness, diameter, tolerance, and strength.
Fibre tubing, or Electrical Nonmetallic Tubing (ENT), is composed of a non-metallic material that offers resistance against moisture and chemical atmospheres, protecting electrical wiring. ENT is pliable and can be easily bent by hand without requiring additional tools. It is important to note that while ENT tubing is flexible, the associated fittings and connectors may not be as pliable.
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Flexible tubing is liquid-tight and flame retardant
Flexible electrical conduit, also known as flexible tubing or flexible conduit pipe, is a protective conduit used for routing and protecting electrical wires, cables, and other types of conductors. It is typically made from a durable and pliable material, such as plastic or metal, that allows it to bend and flex without damaging the wires inside.
Flame retardant flexible tubing is essential for ensuring the safety of electrical systems. Flame retardant compounds are used in the construction of the tubing to prevent the spread of fire. This is especially important in enclosed areas or harsh operating conditions where electrical wiring is present. Flexible tubing that is flame retardant can help prevent electrical fires and provide added protection in the event of a fire.
Products like Heyco-Flex III Liquid Tight Tubing and Connectors are non-metallic, flexible corrugated tubing that is flame retardant, non-toxic, and UV-resistant. This type of tubing is quick and easy to install and provides a secure connection for electrical wiring.
Additionally, Electrical Nonmetallic Tubing (ENT) is a commonly used plastic flexible conduit that is designed to be moisture-resistant and flame retardant. It has a corrugated shape that eliminates the need for threading and provides a safe and reliable electrical installation.
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Flexible tubing is used outdoors, underground and in wet operating conditions
Flexible tubing, also known as flexible electrical conduit, is a protective conduit used for routing and protecting electrical wires, cables, and other types of conductors. It is designed to be used outdoors, underground, and in wet operating conditions. Flexible tubing can be made from materials such as plastic or metal, providing flexibility and ease of installation in applications where rigid conduit may be impractical or difficult to use.
When used outdoors, flexible tubing is often exposed to sunlight, extreme weather conditions, and moisture. It is important for the tubing to be resistant to these elements to ensure the protection of the electrical wiring. Flexible tubing can also be buried underground, where it may be subjected to physical stress and potential impacts. It is crucial for the tubing to be able to withstand these challenges to avoid damage and ensure the safety of the electrical installation.
One common type of flexible tubing used outdoors is Liquid Tight Flexible Metal Conduit (LFMC), which is designed to resist the penetration of moisture and liquids. LFMC consists of a spiral-wound strip of metal with a plastic coating and a liquid-tight outer jacket. It is highly flexible and suitable for outdoor installations where it may be exposed to water, such as underground wiring, outdoor lighting, and irrigation systems. PVC (Polyvinyl Chloride) conduit is another popular choice for outdoor installations due to its lightweight, cost-effective, and moisture-resistant properties.
Flexible tubing can also be used underground to protect sensitive circuits against electromagnetic interference (EMI). Metallic conduit jackets are resistant to radiation, oil, heat, and cold, providing an effective shield for electrical wiring. High-Density Polyethylene (HDPE) conduit is a non-metallic option for underground installations, known for its flexibility and moisture resistance. It is commonly used for long-term installations in harsh environments, such as solar energy systems, utility wiring, and telecom cabling.
Overall, flexible tubing is a versatile and durable solution for protecting electrical wiring in a variety of outdoor, underground, and wet operating conditions. It provides flexibility, ease of installation, and protection against moisture, corrosion, and physical damage. By using flexible tubing, contractors can ensure the safe and reliable operation of electrical systems in challenging environments.
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Flexible tubing protects electrical wiring from moisture, dust, heat and physical damage
Flexible tubing, also known as flexible electrical conduit, is a type of protective conduit used for routing and protecting electrical wires, cables, and other conductors. It is typically made of durable and pliable materials, such as plastic or metal, that allow it to bend and flex without damaging the wires inside. This flexibility makes it ideal for installations where rigid conduits are impractical or difficult to use.
Flexible tubing offers protection against moisture, dust, heat, and physical damage. Liquidtight Flexible Metal Conduit (LFMC) and Liquidtight Flexible Non-Metallic Conduit (LNFC or LFNC) are specifically designed for use in wet locations, providing good water resistance and protecting electrical cables and wiring from moisture. ENT, or Electrical Nonmetallic Tubing, is another type of flexible tubing that is designed to be moisture-resistant and flame retardant. It is composed of a nonmetallic material that offers resistance against moisture and chemical atmospheres, protecting electrical wiring.
The flexible nature of the tubing also helps protect electrical wiring from physical damage. LFMC, for example, provides enhanced protection against physical damage, making it ideal for industrial settings with higher risk factors. Flexible tubing's ability to bend and adapt also makes it suitable for tight or complex spaces, protecting wiring from stress and strain.
Additionally, flexible tubing can provide protection from heat. For instance, the Liquidtight Flexible Metal Conduit (LFMC) has a polymer coating and is frequently installed outdoors, where it can protect wiring from heat. ENT conduit is also available with fittings that allow for secure connections, ensuring reliable and safe electrical installations. Heat shrink tubing is another type of flexible tubing that provides an extra layer of protection for cables and wires, offering superior protection against environmental elements that could impede functionality.
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Frequently asked questions
Flexible exterior electrical tubing, also known as flexible electrical conduit, is a type of protective conduit used for routing and
Flexible electrical tubing can be made from a variety of materials, including metal, fiber, plastic, and PVC. Metal tubing is often made by coiling a ribbed strip of aluminum or steel into a hollow tube, while non-metallic tubing is made from modified polyvinyl chloride (PVC) with built-in flame retardants and stabilizers.
Flexible electrical tubing is designed to be bendable, allowing it to easily adapt to different layouts and environments, especially tight spaces or areas where wires need to bend or move. It also acts as a flexible shield, protecting wires from moisture, dust, heat, and physical damage.
