type mc cable definition

MC Cable, by most common definition, is a factory assembly of one or more insulated circuit conductors enclosed in an armor of interlocking metal tape or a smooth or corrugated metal sheath. The cable that complies with the crush and impact requirements of Type MC cable and is identified with the marking "TC-ER." The cable is secured at intervals not exceeding 1.8 m (6 ft). The protective outer interlocking metal is flexible, allowing for easy bending. Available . Install the Connector Into the Box First. BX's armor, while much stronger than NM's vinyl, can still be pierced by a determined and ill-placed nail or screw. 334 Nonmetallic-Sheathed Cable: Types NM and NMC. Metal Clad Cable, Type MC. Thus you would find that for small conductor installations 3 core cables were used and for large conductor installation single core cables were used. NFPA 72-2019 becomes effective January 1, 2019, or when it is adopted by state and local jurisdictions. It is just one of many brands of NM cable that are commonly available. Single core cables will be seriously derated by steel armour wire althogh aluminium armour is common. The central part of coaxial cable is a conductor covered by an insulating plastic layer which is surrounded by a metallic shield. Emergency Lighting Systems. The equipment grounding conductor required within a cable with interlocked metal tape sheath may be insulated or bare and may be sectioned. - The jacket is flame retardant and moisture resistant for all 3 types. This basic construction provides high-temperature capability, exceptional electrical isolation, and physical protection for the conductors especially when . The assembly is used for transmission and distribution of electrical power. n Extremely cold environments Exceeds CSA cold bend/cold impact (-40C/-35C) Armored cables can withstand greater tension. Category Insulation Description. Receive Product Alerts. AC cable typically has no ECG, just the bondstrip-and-cable armor. The protective outer interlocking metal is flexible, allowing for easy bending. Cable, ITC-HL. type MC cable or Flexible metal conduit approved for the purpose listed for those cables or assemblies. A similar type of construction is available in a 300 V construction as type ITC-HL. Metal-Clad Cable: Type MC - Another type of flexible armored cable (BX cable) - With additional PVC jacket is suitable for wet locations. By Trent Crawford When you run cable through any building you first need to consider plenum spaces. Type ITC instrumentation tray cable is a factory assembly of two or more 300V insulated copper conductors, Nos. COMMON USES FOR METAL CLAD CABLES Shop at USESI MC cable (metal clad cable) is a type of cable that typically contains three insulated conductors (wires) encased in a smooth tube, ridged tube, or interlocking metal. The cable can also be reused during an upgrade or retrofit. wiring method is conduit, tubing, Type AC cable, Type MC cable, Type MI cable, nonmetallic-sheathed cable, or other cables, a box or conduit body shall be installed at each conductor splice point, outlet point, switch point, junction point, termination point, or pull point, unless otherwise permitted in 300.15(A) through (L). Type NM cable cannot be run outdoors even if it is run in a raceway because this is considered to be a wet location. Lifeline fire-resistive cable systems are designed to maintain operation of critical fire alarm systems and emergency circuits against attack by fire and water and are used primarily for: Fire pumps. It can be used when dropping out of cable tray to equipment or devices, and also where dropping from tray to tray. Coax or coaxial cable is type of electrical cable made from four layers, forming coaxial shape (having common axis or center). 340 Underground Feeder and Branch-Circuit Cable: Type UF . This is a multi-conductor, gas and vaportight continuous corrugated metal-sheathed cable provided with an overall polymeric jacket and an additional equipment grounding conductor sized in accordance with NEC 250.122. Metal Clad Cable may be used for branch, feeder and service for distribution in commercial, industrial, and multi-residential construction. 727.3 Other Articles. 330.30 Securing and Supporting Metal-Clad Cable: Type MC. The fire resistive cable Certified by UL to UL 2196 and ULC to ULC S139 for use in the following systems: 2 Hour FHIT/FHIT7 120 2 Hour FHIT/FHIT7 120A FHIT/FHIT7 60 VITALink MC/RC90 Cable Type MC per UL 1569 Type RC90 per CSA C22.2 No. The cable comes with a stranded conductor that makes it extremely flexible. The armored cable has an additional layer of armor than the armored cable, which provides better protection for the cable, but at the same time, the price is relatively higher. Each electrical conductor throughout the cable is individually insulated and can be copper, copper-clad aluminum, or aluminum. MC cable has an ECG, but the armor isn't suitable for grounding. What kind of cable is a metal clad cable? Unlike THHN, this wire is limited in sizing to 18 AWG and 16 AWG exclusively. Technically, any ductwork is considered a plenum space too. Installation 330.10 Uses Permitted Types of Cable Armor include wire braid, steel tape and wire armor. CIR Crush & Impact Resistant Cable. The smaller cables should be unsheathed by using an armored cutter like the famous "Roto-Split". Nonmetallic-Sheathed Cable - Trade name is Romex. Cable Armor may also be called Armor Clad [Type AC] and metal Clad [Type MC] or generically [Type BX]. II. This highly robust cable offers significant advantages over Type MC: n Highly flexible - unlike Type MC, CIR is flexible for easier installation. Plenum spaces are the open spaces above the ceiling or below the floor that are used for air circulation. The most popular MC cables today feature aluminum interlocked armor. Type NM cable cannot be run in any raceway other than using it as a sleeve in accordance with 334.15(B) and 300.15(C) or in accordance with 334.12(A)(1) Exception. A factory assembly of one or more insulated circuit conductors with or without optical fiber members enclosed in an armor of interlocking metal tape, or a smooth or corrugated metallic sheath. additional cable types beyond metal clad (MC) and TECK 90 cables that are primarily used. EVE. MC cable (metal clad cable) is a type of cable that typically contains three insulated conductors (wires) encased in a smooth tube, ridged tube, or interlocking metal. So what do they do for me? Definition Manufactured Wiring System. Key point: Limited as to installation environments, unless specifically identified for the purpose. The outer sheath of interlocked-type MC cable presents the same problem here as with patient care areas, so you can't use it to supply an IG receptacle-unless the cable contains two equipment grounding (bonding) conductors. This highly robust crush resistant cable offers significant advantages over Type MC for many industrial and mining applications. Installation 330.10 Uses Permitted. Claire Cohen. II. Calculators CIR (overall cable diameter of 1" or less) passes the same stringent crush . The definition in Article 334 identifies Type MC cable as a factory assembly of one or more insulated circuit conductors enclosed in an armor of interlocking metal tape, or smooth or corrugated metallic sheath. 2. a more severe room temperature impact test. Cable Armor is made from steel, copper, bronze, or aluminum. A cable may remain loose while its support is maintained. An area of a building for housing (on a 24-hr basis) of four or more persons who are incapable of self-preservation. Category Conductor Description. The voltage rating is 600V. Combine noise protection with flexibility by choosing Type PLTC/ITC Cables. In addition to the provisions of this article, installation of Type ITC cable shall comply with other applicable articles of this Code. However, if more than 1.8 meters (6 feet) of cable is brought out of the tray for a connection to a motor or other electrical device, cables without an ER rating must be either armored (type MC) or be installed in conduit or some other type of raceway. The cable is continuously supported and protected against physical damage using mechanical protection such as struts, angles, or channels. Type MC cable shall be permitted as follows: CIR is a next-generation impact resistant cable designed to replace old-technology cables like Type MC. Southwire notes that they "vigorously monitor and protect the use of the Romex brand." It was the first cable system listed in the National Electrical Code (NEC). 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. It is suitable for use in Class I, II & III Division 1 and 2 hazardous locations. Tray cable types TC, ITC and PLTC are permitted in cable trays by the NEC. This standard covers the installation of Type AC and Type MC cables, which are used for electrical wiring for residential, commercial and industrial occupancies. KINGWIRE Service Entrance Cable Style R (SER) is used to convey power from the service drop to the meter base and from the meter base to the distribution panel board. Sometimes known as "Romex," named for one of the common brand names, NM cable is a flexible electrical cable that features an outer plastic sheathing that protects two or . Insulated conductors enclosed within an overall, corrosion resistant, nonmetallic jacket." "Type NMC cable is for use in dry, moist, damp, and corrosive locations, and Type NM cable is for use in normally dry locations." Article 100 of the NEC provides the same definition for plenum as that found in NFPA 90A. 123 See VITALink MC/RC90 data sheet for other cable listings and certifications It also includes information on fittings and other accessories necessary for a quality installation of these cable systems. 1. NMB stands for non-metallic because it has a PVC jacket instead of a metal-clad jacket. Based on the National Electric Code's (NEC) technical definition, it is "a factory assembly of one or more insulated circuits enclosed in an armor of interlocking metal tape, or smooth or corrugated metallic sheath." Standard ones usually contain three connectors made of copper or aluminum. You can attach a connector to MC cable, then join it to the box, but it's easier to mount the connector on the box before feeding the wires through. Larry Campbell. MC is short for "metal-clad," and this type of cable is sheathed with a metallic coating. A bone marrow biopsy is a quick process that doctors use to extract and study a bone marrow sample. Construction. The site designer and local inspectors determine which class should be used, and the contractor should determine the division. Type MC-Metal Clad Cables - (NEC Article 330) - Metal Clad cables are assemblies of one or more insulated circuit conductors with or without optical fiber members enclosed in an armor of interlocking metal tape, or a smooth corrugated sheath. This is the class of cable that can be used as a machine tool wire, an appliance wire, and a fixture wire. The cable is available in a round or parallel orientation and the conductors are encased in an interlocking aluminum armor to protect them from a wide range of hazards. "Type NM. Connectors like those shown above are popular with electricians because the one screw secures both the connector to the box and the MC cable to the . Metal Clad Cable, Type MC. Emergency Feeder Cables. A plastic overall jacket can also be provided. If you take the time to become familiar with the various . A CSA type designation used to describe armored instrumentation and control cable. Type TC-ER cable complies with the crush and impact requirements of metal-clad cable. The fittings must be listed and identified for use. 1 hazardous locations in voltages ranges from 600 V to 35 kV. Nursing home. Refer to Article 100 for the definition of raceway. First, where boxes or enclosures are not encountered (typical for daisy chaining MC cable in and out of lay-in type luminaires), exposed cable or raceway systems must be permanently marked to identify it as an emergency circuit or system, at intervals not to exceed 25 feet. FCC. They are suitable for installation in motion picture studios, theaters, and places of assembly (100 people or more) per NEC Articles 230.43, 300.22 (C), 330, 396, 518, 520, 530 and 645. A factory assem- bly of two or more insulated conductors, with or without a grounding conductor (s), enclosed in a nonmetallic sheath. (A) General Uses. CableXType MC-HL 16 AWG Shielded Pair & Triad with Overall Shield (SP-OS) Class 1 Instrumentation Cable MC-HL Aluminum Armor CableX Control Cable features 16 AWG pairs or triad construction with an overall foil shield and drain wire. These spaces are important for air circulation in any building, but they also bring some problems if you ever have a fire because . MC means "multi-contact." The term "multi-contact" comes from the fact that the connectors have a bunch of little spring loaded gold plated fingers that ensure good contact.The first company to manufacture them is also named Multi-Contact, but Tyco connectors are used on some modules. APPLICATION. Stairwell Pressurization. Elevators / OEO. In order to be labeled for Division 1 hazardous locations (Type MC-HL) by UL the C-L-X cables must meet the following criteria: 1. a low temperature -40C impact test. F. Fixture Wire, 90C. These ducts can be used for vapor removal or for ventilation of commercial-type cooking equipment as referenced in the section. This cable is designed for areas where there is an explosive atmosphere of gases or vapors mixed with air when an abnormal condition exists, such as failure of a containment wall or ventilation system. 727.2 Definition. It is a basic indoor electrical wire used to deliver power from an electrical box to lights, outlets and appliances. Emergency Ventilation Systems. INDUSTRIAL COMMISSION 189 Chapter E 334 METAL-CLAD CABLE Type MC and AC Series E 334.01 Definition _E 334.08 Supports E'334:02 iVoltage '' E 334.09 Bends E :334.03 , Marking E 334.10 Boxes and fittings E 334.04 Construction E 334.11 Through studs, joists and E 334.05 Conductors rafters E 334.06 Use E 334.12 Exposed work E 334.07 Other chapters E 334.13 In accessible attics Cable - A combination of conductors insulated from one another with a common covering that is not a cord. . Wire Braid Protection 90C - 600 Volt - UL Type MC-HL. MC cable consists of an outer jacket of thin metal armor and is filled with individually insulated conductors which are contained in a jacket. This cable is suitable for use in Class I Zones 1 and 2. Insulated conductors enclosed within an overall nonmetallic jacket." "Type NMC. A system containing component parts that are assembled in the process of manufacture and cannot be inspected at the building site without damage or destruction to the assembly. This type of cable can also house any number of conductors, meaning there is no limit by UL standards. Bare annealed copper per ASTM B-3 10 AWG and smaller are compressed Class B stranding per ASTM B8 8 AWG and larger are compact stranding per ASTM B496. . MC cable is easier to remember because it's an abbreviation for "metal clad" or "metallic-sheathed cable.". For example, 330.30, 334.30, 352.30, 358.30 are all sections about securing and supporting. Type MC Cable in Environmental Air Spaces per 2017 NEC 300.22(C) . The most common type of MC Cable is interlocking type, which has an appearance similar to armored cable or flexible metal conduit. Power Cable Power cables are mainly used for power transmission and distribution purpose. It cannot be used outdoors because the jacket is not prepared to handle wear and tear. Flat Copper Conductors, edge to edge for carpet, and under flooring. Type ITC Instrumentation Tray Cable. If your house was built (or rewired) after about 1965, it is likely that most of its wiring system consists of NM (non-metallic) sheathed cable. Type ENT 158 ARTICLE 333 Armored Cable: Type AC 159 ARTICLE 334 Metal-Clad Cable: Type MC 161 ARTICLE 336 Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS 162 ARTICLE 338 Service-Entrance Cable: Types SE and USE 164 ARTICLE 339 Underground Feeder and Branch-Circuit Cable: Type UF 165 ARTICLE 340 Power and Control Tray Cable: Type TC 166 You can use interlocked-type AC cable containing a single insulated equipment grounding (bonding) conductor to supply . MC: Metal clad cable, THHN or XHHW individual conductors, aluminum or steel interlocked armor: MTW: Machine tool wire, thermoplastic insulation (PVC), with or without Nylon, 90C, dry locations . MC Cable - Wikipedia, the free encyclopedia MC Cable is a cable television company for the Principality of Monaco and is owned by Monaco Telecom. Aluminum Type MC-XHHW conductors are multi-conductor cables consisting of a series of individually insulated, compact stranded THHN conductors. In Canada, a new edition (2018) of the Hazardous Location Cable and Cable Gland standard has been published, and this should help to clarify the intended range of cable types that could potentially be approved for hazardous locations in Canada. Building design work takes place prior to beginning construction, often preceding construction by six months or more. 3. a more severe room temperature crush test. 300 or 600 Volt armored instrument and control cable. Refer to the Dictionary of Engineering Terms for a more in depth definition of Cable Armor. 1.Type FPL FPL powerlimited fire alarm cable is listed by the NEC as being suitable for general purpose fire alarm use.This listing excludes installation in riser, ducts, plenums and other space used for environmental air unless the cable is installed in conduit.All FPL cables are listed as being resistant to the spread of fire and These cables are built for use in power-limited circuits for industrial control and energy management systems, as well as intercom, audio and alarm applications. From vision to completion, we're here to help you along the way. MC-HL (Metal Clad Hazardous Locations) cable is recognized by the NEC as suitable for installation in Class I, Div. 336 Power and Control Tray Cable: Type TC . View All Resources. I. The intent of Sec. . An area (of a building) for the lodging, boarding, and nursing care (on a 24-hour basis) of four or more persons who may be unable to provide for their own needs and safety without assistance. . However, the armor of the AC cable can be used as an ECG. Mineral Insulated cables, or simply MI cables, are cables in which conductors or wires are enclosed by a metal jacket and insulated with hard-packed Magnesium Oxide (MgO). It can be used for both above ground service entrance and interior wiring applications at temperatures not to exceed 90C. AC cable, or armor-clad cable, is a type of electrical cable used for residential (and I suppose some commercial) wiring. It is an assembly of one or more individually insulated electrical conductors, usually held together with an overall sheath. Same as EV cord, but with thermoplastic Elastomer insulation and coverings. A factory assembly of one or more insulated circuit conductors with or without optical fiber members enclosed in an armor of interlocking metal tape, or a smooth or corrugated metallic sheath. Home Run Cable is a traditional Type MC cable containing one or more copper grounding conductors; the armor is not an equipment grounding means Versatile multi-conductor cable Phase identified by color code with separate marking for circuit identification UL Classified for Through-Wall Penetrations Made in USA of US and/or imported materials 4. a more severe vertical tray flame test. 330 Metal-Clad Cable: Type MC 332 Mineral-Insulated, Metal-Sheathed Cable: Type MI. These ducts can be connected into a larger vertical or . 3-Conductor VFD & 4-Conductor. Back-up power Systems. Type MC cable with a nonmetallic jacket can be utilized in a moist location. Metal-Clad Cable (Type MC-HL) Type MC-HL is permitted in Class I , Division 1 hazardous (classified) locations. Construction Applications Standards Q&A. Same as EV cord but 18 to 12 Awg, and thinner jacket.B19. Understanding Environmental Air Spaces and Section 300.22(C) and Type MC Cable. The BX cable does not . The Meaning of PX. Three core cable joints are more complex than single core joints. Question 3: Are romex-type (NM-sheathed), armored-cable (type AC), or metal-clad (type MC) cables considered "flexible . 22 through 12 AWG, with or without grounding conductor (s), and enclosed in a nonmetallic sheath with or without an armor as defined by NEC Article 727. The Alu 336 Power and Control Tray Cable: Type TC 337 Type P Cable. Securing MC Cable. Indoor NMB cable or Romex 12/2 cable. It is a cable in which the conductors are enclosed in a corrugated metal sheath or interlocking metal tape, insulated, and the entire cable is put together at the factory. This standard is intended to enhance electrical safety by: 1. Type MC Armored Cable and Continuously Welded Sheath (MC-HL) Description: Jacketed, Metal Clad (MC), 600V, 5kV, 8kV and 15kV, 90C, UL 1569. Cord - Two or more flexible insulated conductors enclosed in a flexible covering that provides mechanical protection. It consists of insulated wires wrapped in Kraft paper inside a flexible spiral metal casing. 330.6 Listing Requirements Type MC cable shall be listed. Type MV cable terminated in equipment or installed in pull boxes or vaults shall be secured and supported by metallic or nonmetallic supports suitable to withstand the weight by cable ties listed and identified for securement and support, or other approved means, at intervals not exceeding 1.5 m (5 ft) from terminations or a maximum of 1.8 m (6 ft) between supports. EVT. Same as EV cord, but with Thermoplastic insulation. - Outer jacket is typically made of rubber or plastic. Like any other cable, if the armor is nicked, cut, or shredded, the wires inside can be compromised. General Metal-clad cable is Type MC. 336.10 (7) of the 2014 National Electrical Code (NEC), and its corresponding Exception, is to make it clear that cable with . 338 Service-Entrance Cable: Types SE and USE. Type PLTC Cable. Romex is the brand name of a one type non-metallic (NM) sheathed electrical cable made by Southwire Company, LLC of Carrollton, Georgia. Using Type MC Cable saves time and money on new construction projects and provides faster installation on renovations. If the conductor is solid, the variation, which is called TFN, is not actually flexible. On top that is a fourth layer of plastic insulation. What is MI Cable? Armored cable can be regarded as a kind of reinforced cable, which is stronger and stronger than standard optical cable. 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