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#Mc connector code#

Romex is the trade name for a type of electrical cable that has non-metallic sheathing. These benefits have made MC cable a popular choice for a wide range of applications, including indoor, outdoor, underground and embedded installations. Those specifications include UL 83, UL 1569, UL 1685, military standard A-A59544 and NEC Codes. Approvals: MC cables are approved by the Institute of Electrical and Electronics Engineers (IEEE) and meet a range of specifications.This advantage saves significant time by eliminating the conduit installation step. In most interior and exterior applications, MC cable provides enough protection to eliminate conduit altogether. Installation time: In applications where conduit is a necessity, MC cable can save valuable labor hours.While ill-placed nails or screws can still damage the armor, the interior coatings can protect the interior wiring from most environmental conditions. Unlike non-metallic alternatives, MC cables provide added protection against piercing and shearing forces. Protection: The aluminum sheath of an MC cable provides excellent strength and protection.Some of the key benefits of MC cable include the following: MC cable has been a popular option for a wide range of commercial, residential and industrial applications, especially those that are looking for all-in-one, cost-effective options.

One example is MC-HL cable, which is designed for use in hazardous locations and features vapor-tight sheathing. In addition to traditional MC cable, several varieties of MC cable are available to suit the needs of unique applications. It is also built with layers of cable protection, meaning the wires are protected from environmental conditions without conduit installation.

Protection: MC cable is corrosion resistant and able to handle heat and moisture.

These coatings insulate wires to make them suitable for various MC cable applications.

Wire coatings: The wires in MC cables are either THNN - which are thermoplastic, high-heat and nylon-jacketed - or THWN-2 wires - which are thermoplastic, high-heat and water-resistant.

Of the conductors, one is a hot conductor and the other is a neutral conductor. An MC cable may contain more than one hot conductor.

Wires: MC cables contain three wires minimum - two are conductor wires and one is a ground wire.

Typically consisting of aluminum, this cable sheath covers the wires in an interlocking configuration to allow for flexibility and coverage.

Sheathing: This cable type is defined by the metal sheathing surrounding the insulated wires.

Some of the unique features of MC cable include: It is still commonly used today in residential, commercial and industrial building construction. Also called metallic sheathed cable, armored cable (AC) or BX cable, MC cable was one of the first cable types developed for both commercial and residential applications. MC cable was originally developed in the early 1900s by Edwin Greenfield. The most popular MC cables today feature aluminum interlocked armor. MC cable is defined as an assembly of one or more insulated circuits, often enclosed with an armor of metal tape or a metallic sheath. MC is short for “metal-clad,” and this type of cable is sheathed with a metallic coating.

Learn what these types of cables are, their differences and when to use MC versus Romex cabling in an installation below.

#Mc connector code#

While both are approved for use in residential applications by National Electrical Code (NEC) regulations, these cables each have unique features to consider for installation. Two types of cables that may be commonly used, especially in residential applications, are Romex and MC cabling.

Therefore, choosing the right type of cable is one of the essential tasks installers need to take on before initiating a project. Electrical cable options vary widely, with unique types used in specific applications.