AFL adds specialty fusion splicing accessories from Fujikura. Local area network (LAN) cables are now nearly universally used for PoE applications. Rather, cable inspectability can still be achieved as long as cables can be viewed and inspected through the easy removal of ceiling, floor or wall panels or manholes. Clear labelling of wall outlet boxes diminishes the possibility of incorrectly attaching ICT equipment to the wrong wall outlet box. Control: ISM-1112; Revision: 3; Updated: Dec-21; Applicability: All; Essential Eight: N/ACables are inspectable at a minimum of five-metre intervals. While all ICT equipment may not need certification to emanation security standards, it still needs to meet applicable industry and government standards relating to electromagnetic interference/electromagnetic compatibility. However, it also extends this to shock-mounted equipment, and places where field testing (for instance) can result in repeated flexing. Arcadian Infracom and the California Department of Technology are now collaborating for a new middle-mile fiber network deployment. Perhaps the worst example of this is MIL-HDBK-216, a handbook that covers RF transmission lines and connectors that hasnt been revised since 1962 (Fig. That said, when a solicitation calls out that a specific component within the system must be QPL-listed, theres the distinct possibility that the contracting officer may for whatever reason simply reject it. Consequently, communications cables may be inadvertently spray-painted or coated with foreign substances. The 2020 NEC now explicitly permits optional cable markings. Before they were added, attenuation requirements were only specified at three frequencies, which resulted in inaccurate measurements at other frequencies. It was, in fact, eliminated without replacement in 2001, but was subsequently resurrected after a 2016 study determined that such a massive task would be worth the effort. Defence Communications Cabling Standard (1 products available) 1/6. In doing so, cable registers should track all cabling changes throughout the life of a system. a. Unclassified WLAN systems must be standards-based and IEEE 802.11 compliant in accordance with Paragraph 3.1.a. Transparent wall outlet box covers allow for inspection of cable cross-patching and tampering. Code Organization, Section 90.3 permits Chapters 5 through 7 to supplement or modify the requirements of Chapters 1 through 7; consequently, the requirements of 725.3(P) and 760.3(O) override the requirements of Section 250.119. Labelling cables with the correct source and destination details minimises the likelihood of cross-patching and aids in fault finding and configuration management. Control: ISM-1114; Revision: 4; Updated: Mar-23; Applicability: All; Essential Eight: N/ACable bundles or conduits sharing a common cable reticulation system have a dividing partition or visible gap between each cable bundle and conduit. Listing requirements for cable routing assemblies and communications raceways have been moved from Article 805 to the new general article (Article 800) because the applications of cable routing assemblies and communications raceways are in multiple articles and chapters. hbbd``b`U@(`a-0`*AHk3 z k:0 -HN7,Ad R ? Command, Control, Communications, Computing and Intelligence (C4I), all Radar & Radio airfield navigation & information systems and all Communications-Electronics (C-E) equipment, peripherals and cabling, its location, infrastructure, environment and Radio Site Restriction zones. 6. Build high-speed networks from a variety of high-quality cable offerings that are customized to fit your needs. Controlling the routing from cable reticulation systems to cabinets can assist in preventing unauthorised modifications and tampering while also providing easy inspection of cables. This section is only applicable to facilities located within Australia. z, /|f\Z?6!Y_o]A PK ! 5. a data center. Examples of appropriate cable bands include stick-on coloured labels, colour heat shrink, coloured ferrules or short lengths of banded conduit. Information Note No. Terminating SECRET and TOP SECRET cables on different patch panels in cabinets can assist in preventing accidental or deliberate cross-patching and makes inspection of cables easier. 800.21 Access to Electrical Equipment Behind Panels Designed to Allow Access, 800.26 Spread of Fire or Products of Combustion. This division enables our clients to have CATV converters, Cable Modems, Telephone Jacks, Telephone Equipment and Intercom systems installed throughout homes and offices. In certain circumstances it may not be possible to use the correct colour for SECRET or TOP SECRET cables. The new text states, No wire or cable shall be used in such a manner that its operating temperature exceeds that of its rating. Section 800.3(H) of the 2017 NEC has been deleted; it referred to Section 310.15(A)(3), which is considerably more complicated. The Institute of Electrical and Electronics Engineers (IEEE) is a global organization that seeks to advance innovation and technological excellence. This standard was formerly known as MIL-C-17, since it was developed in the 1940s and was revised many times over the years to better define the mechanical and electrical requirements for military coaxial cables. This Standard applies to cabling products (including cable and related customer equipment) intended for connection to the customer side of the boundary of a telecommunications network. Keeping the lengths of TOP SECRET fibre-optic fly leads to a minimum prevents clutter around desks, prevents damage, and reduces the chance of cross-patching and tampering. The other option is to use Limited Power (-LP) cables and to keep the current in each conductor below the ampere limit marked on the cable. Applications of listed communications wires and cables, listed cable TV coaxial cables, and listed network-powered communications cables have been removed from Article 805 (formerly Article 800), Article 820, and Article 830 and placed in the new Article 800. Change ANSI/TIA-568 is a technical standard for commercial building cabling for telecommunications products and services. Understanding the Increased Demand for Industrial Switches in Food and Beverage Plants, 5 For Friday: The Essential Words in Manufacturing, a Hannover Messe Homecomingand a Preview, IIoT solutions bring machine data to life to streamline and secure performance, If youre a machine builder trying to differentiate your company from the competition, you may be considering investing in Industrial Internet of Thi, Whats Abuzz in Industrial Automation: Insights from Hannover Messe, Last May in Hannover, at one of the worlds largest trade fairs, the future of industrial automation was on everyones lips.. What does that future ho, Why universal automation is a catalyst for enabling profitable machine OEM business transformation, Todays OEMs who build machines for industrial applications are at a critical crossroads. In the construction of office buildings, cables are often installed before construction is completed. For example, while SECRET and TOP SECRET cables have designated cable colours, cables for other systems may be any colour except for those reserved for SECRET and TOP SECRET systems. Physical separation between TOP SECRET systems and non-TOP SECRET systems reduces the chance of cross-patching, thereby the possibility of unauthorised personnel gaining access to TOP SECRET systems. Above 60 watts, Section 840.160 defers to the requirements in Section 725.144 of Article 725, Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits. Its important to note that while the standards described above are likely to be encountered by designers, theyre not the only ones, as the primary standards refer to many others (such as MIL-STD-202). For equipment with a rated current per conductor less than 0.3 amperes, the effective date shall be January 1, 2021. We are a data wiring installation company that works to help customers with installation needs. 31&-NYejbD 8l`w+K?j:B aRYEPNu~'b07Tt)9]E7W|H[Z0@1M?7D=Zw~3xFp As the DoD has infamously demonstrated, its possible to have too much of a good thing when the burden posed by standards effectively creates the chaos theyre intended to eliminate. Improve network capacity and enhance wireless coverage to better support indoor and outdoor data traffic demands. Explore CommScope's exclusive tools that make it easier to research, specify, order and track CommScope productsLearn More. Optimize and extend the life of your broadband copper network. The resulting product must still meet minimum performance requirements regardless of how the cable is constructed, with the caveat that these details can vary considerably among suppliers. Control: ISM-1719; Revision: 1; Updated: Mar-23; Applicability: TS; Essential Eight: N/ATOP SECRET cables are coloured red. It's an ongoing commitment to progress and innovation, where our experts share research and technology that help enterprise network infrastructures perform better and more efficiently. The industry standard AS/CA S009 2020 was published on 20 August 2020. Many of the installation requirements for data/comm cables have been consolidated to new Article 800, including the following. New Fujikura fusion splicing accessories now available from AFL include the FSR-115, FSR-116 and FSR-117 optical fiber recoaters, and the CT-114, CT-115 and CT-116 fiber cleavers Leviton brings new global cabling systems plus sustainability to BICSI Winter, Cisco Live, PODCAST: Kam Patel, CommScope, Pt. Control: ISM-0206; Revision: 7; Updated: Dec-22; Applicability: All; Essential Eight: N/ACable labelling processes, and supporting cable labelling procedures, are developed, implemented and maintained. Nor was there any requirement for adhesion of the dielectric core to the center conductor, with the result that it was possible to pull the center conductor out of the assembly when stripping it. TIA-568-D.2 focuses on components of balanced twisted-pair cable systems. Control: ISM-1216; Revision: 3; Updated: Dec-21; Applicability: S, TS; Essential Eight: N/ASECRET and TOP SECRET cables with non-conformant cable colouring are both banded with the appropriate colour and labelled at inspection points. Create lasting connections by shaping the networks of future with CommScope. In addition, this section only applies to new cabling infrastructure installations or upgrades. Control: ISM-0250; Revision: 4; Updated: Dec-21; Applicability: All; Essential Eight: N/AICT equipment meets industry and government standards relating to electromagnetic interference/electromagnetic compatibility. Control: ISM-0181; Revision: 3; Updated: Mar-21; Applicability: All; Essential Eight: N/A In addition, TOP SECRET conduits should be sealed with a visible smear of conduit glue to prevent access. As Australian Standards require some structured cabling systems to use specified colours, such as red for fire control systems, it is important that all building management cables are appropriately labelled. Finally, semi-rigid or rigid cables never bend once theyre formed when manufactured. 7986 0 obj <>stream Originally developed for military use, defence-standard (Def-Stan) cables are now widely used commercially. Further information on SCEC-approved tamper-evident seals can be found on the SCECs Security Equipment Evaluated Products List. In doing so, floor plan diagrams should track all cabling infrastructure changes throughout the life of a system. Sections 725.139(D)(1) and 805.133(A)(b) in 2020 NEC deleted the requirements that the Class 2 or Class 3 circuits be classified as communications circuits. The Amendment Declaration amends the Telecommunications (Types of Cabling Work) Declaration 1997 ( the Declaration) to reflect the replacement of . SA & SA/SNZ. Since the earliest days of RF and microwave connectors, the challenge for those defining them has been to provide the highest possible performance using the most advanced fabrication technology available at the time. Coherent optical link achieves 200-Gbps single wavelength transmission in time for OFC, Pharma manufacturer Divis Labs taps Juniper for automated network infrastructure, Top 10 cleanest ICT cabling installs: Photos. The applications of data/comm cables and their associated equipment are in 13 articles that are the responsibility of three code-making panels. Revision E provided criteria for remedying this while also requiring all cables be manufactured and tested to meet maximum shrink-back allowance between the dielectric core and the cable jacket. Control: ISM-0213; Revision: 4; Updated: Mar-23; Applicability: S, TS; Essential Eight: N/ASECRET and TOP SECRET cables are terminated on their own individual patch panels. Use of the paper and the views expressed in it is voluntary, and reliance on it should only be undertaken after an independent review of its accuracy, completeness, efficacy, and timeliness, and based on the individual facts and circumstances of a user. ct-001. Types of Wire or Cable in the Military/Defense Industry. Accomplishing that wont be simple, however, because although 0.8-mm connectors are currently in production for test-and-measurement platforms, research is underway concerning 0.6-mm and even 0.4-mm connectors designed to serve systems operating at hundreds of gigahertz. It details specifications for flexible and semi-rigid . For example, flexible cables are specified for places where bending is required, such as in long lengths of cable. Applications include: Available unscreened (Type A), with a braid screen (Type C), with an individual braid screen (Type D) or foil screen (Type S), from 2 core to 36 core in a range of conductor sizes. hbbd```b``OoM0"H e#d"[`q1"Al{#}P %3| _u Class 2 and Class 3 circuit conductors shall be permitted in the same cable with communications circuits, in which case the Class 2 and Class 3 circuits shall be classified as communications circuits and shall meet the requirements of this article. In the 2017 NEC, Section 725.121(C), which covers marking requirements for limited power circuits, requires a label indicating the maximum voltage and current output for each connection point. Note, this does not necessarily mean that cables need to be fully visible all the time. STATE OF WISCONSIN. There is an exception for communications, Class 2, Class 3 and power-limited fire alarm cables operating at less than 50 volts. In the 2020 NEC, Informational Notes were added to Sections 725.24 and 760.24. S Cablers must now comply with the 2020 Wiring Rules. There are five entirely different types of documents used by the DoD today (see table). Control: ISM-1646; Revision: 0; Updated: Jun-21; Applicability: All; Essential Eight: N/AFloor plan diagrams contain the following: Well documented cable labelling processes and procedures can make cable verification and fault finding easier. wmR_}0d(u76(NV 5%gpu@/TTL Join our dynamic team of talented innovators as we redefine connectivity across the globe. Sleeves and openings for communications cabling shall be coordinated with the other consultants to determine the location, clearances from other trades, structural concerns, etc . So, the standard now specifies continuously sweeping maximum VSWR and attenuation from 50 MHz to 11 GHz with VSWR remaining at or below 1.15:1 at 100 MHz and 1.33:1 at 11 GHz. Cables run correctly in walls allow for neater installations while maintaining separation and inspection requirements. b. Fixed sites outside Australia, and deployed military platforms, are more vulnerable to emanation security threats. DIVISION OF FACILITIES DEVELOPMENT. Read about technologies, trends and strategies that will define your network and shape our digital world in the years ahead. endstream endobj startxref Sections 725.179(K) and 805.179(G) state that, Cables shall be permitted to be surface marked to indicate special characteristics of the cable materials. Information notes provide examples of optional markings. %%EOF March 30th Webinar: How Fiber Infrastructure Optimizes Delivery of Smart Municipal Services. TELECOMMUNICATIONS CABLING STANDARD General Requirements ANSI/TIA/EIA-568-B.2 100 OHM TWISTED PAIR CABLING STANDARDS Backbone Connecting Hardware Cords and Jumpers Horizontal Stranded ANSI/TIA/EIA-568-B.3 OPTICAL FIBER STANDARDS Optical Fiber Cabling Components Addendums ANSI/TIA/EIA-568-B.1-1 Patch Cord Bend Radius Control: ISM-0181; Revision: 3; Updated: Mar-21; Applicability: All; Essential Eight: N/ACabling infrastructure is installed in accordance with relevant Australian Standards, as directed by the Australian Communications and Media Authority. Led by the United States and France in the late 18th and 19th Centuries, countries began to realize the benefits of having standards that defined the components, subsystems and systems used in their military equipment. Control: ISM-0216; Revision: 3; Updated: Mar-23; Applicability: TS; Essential Eight: N/ATOP SECRET patch panels are installed in individual TOP SECRET cabinets. For MIL-SPECs, this is MIL-STD-961; for MIL-STDs, it is MIL-STD-962; and for handbooks, it is MIL-STD-967. Tell us why this information was helpful and well work on making more pages like it, Practical steps to keep yourself and your family secure, How to protect your business and staff from common cyber threats, Understand how to protect your organisation from cyber threats, Strategies to protect your organisation from cyber threats, Interactive tools and advice to boost your online safety, Authorised by the Australian Government, Canberra, Australian Government - Australian cyber security centre, Getting your business back up and running, Strategies to Mitigate Cyber Security Incidents, Gateway and Cross Domain Solution guidance. This rating relates to the complexity of the advice and information provided on the page. Cabling infrastructure should be installed by an endorsed cable installer to the relevant Australian Standards to ensure personnel safety and system availability. Rapidly scale fiber capacity for your enterprise, MTDC, service provider or hyperscale data center. The text of Section 725.121(C) in the 2020 NEC states: (C) Marking. Structured Plus Communications guarantees that all Telecommunications Cabling Standards will be met or exceeded. Standards & Design Guidelines . Communications and Cabling Standards - University of Sydney \qNT*BQHWP=\jkstKWA&66T9J'%[5K}FXe#Lp|Ely0wanke@ddg@!G"b7E1gRLfoU The International Standards Organization (ISO) and International Electrochemical Committee (IEC) collectively work toward establishing standards for cabling. Report a cyber security incident for critical infrastructure, Report a cybercrime or cyber security incident, Australian cabling standards and regulations, Security Equipment Evaluated Products List, Guidelines for Communications Infrastructure (March 2023), Guidelines for Communications Infrastructure, security control and surveillance systems. Listed 4-pair communications cables are almost always used in place of listed 4-pair Class 2 or Class 3 cables as permitted by the Cable Substitutions Table 725.154(A). Class 2 and Class 3 circuit conductors shall be permitted in the same listed communications cable with communications circuits.. Failing to address emanation security threats could result in systems or military platforms emanating compromising signals, which if intercepted and analysed, could lead to serious consequences. 2 w This standard, which is dedicated to coaxial connectors, provides requirements and test methods for them when used with flexible and semi-rigid cables. This chapter of the Information Security Manual (ISM) provides guidance on communications infrastructure. Control: ISM-1109; Revision: 3; Updated: Dec-19; Applicability: All; Essential Eight: N/AWall outlet box covers are clear plastic. Consequently, Section 250.119 does not apply to communications circuits because that section is not referenced in Chapter 8. Where multiple connection points have the same rating, a single label shall be permitted to be used. Control: ISM-1720; Revision: 0; Updated: Dec-21; Applicability: S; Essential Eight: N/ASECRET wall outlet boxes are coloured salmon pink. Operational efficiency to ensure highest levels of defence. Whats also important to remember is that even though a product may not be QPL-listed, it doesnt necessarily mean that it falls short of meeting its requirements or is in some way inferior. Enabling safer, more successful tactical and strategic missions We work outside the traditional contractor model to deliver secure defense communications across the globe Viasat is a private sector partner and national asset to the U.S. Department of Defense and coalition military forces. 4171 0 obj <> endobj Since the 1960s, the IEEEs P287 Standard for Precision Coaxial Connectors (DC-110 GHz) has been focused on the goal of creating standards for these components, and their efforts, along with those of the microwave and test-and-measurement industry, have delivered impressive results. The requirement that the Class 2 and Class 3 circuits be classified as communications circuits conflicts with the requirement in Section 840.160 that communications circuits above 60 watts be installed in accordance with Section 725.144. }=2g)#`$]bf9}FLF7j3B)/nYgR+v3A_w@'@B@ %::5::0rRP0INy+j>j&orLb? 7964 0 obj <>/Filter/FlateDecode/ID[<19CA5B9FD300BC40A3823C87A480C8C7>]/Index[7949 38]/Info 7948 0 R/Length 81/Prev 484016/Root 7950 0 R/Size 7987/Type/XRef/W[1 2 1]>>stream And if its a custom assembly, it cant be QPL-listed in the time required for response to the solicitation. Control: ISM-0201; Revision: 3; Updated: Mar-21; Applicability: TS; Essential Eight: N/ALabels for TOP SECRET conduits are a minimum size of 2.5 cm x 1 cm, attached at five-metre intervals and marked as TS RUN. Section 90.3 also exempts Chapter 8 from the requirements of Chapters 1 through 7 unless specifically referenced in Chapter 8. What this means in practice is that few designers have the time (or interest) in deciphering all of these documents. It is not offered, intended, nor should it be relied upon as legal advice. .DxO%xyx #s$B)"45~cp)Zc@ 0 ?xxAomJgE.i /^ Coax cables meeting MIL-STL-17 have high thermal conductivity for excellent power-handling capability over broad temperature ranges and shielding effectiveness ranges from 40 to 60 dB, along with very low passive intermodulation distortion. Owing to the increasing outrage from military contractors and the sheer impossibility of maintaining them, Defense Secretary William J. Perry wrote in 1994 what has become known as the Perry memo. The memo effectively prohibited the use of most standards without a waiver and directed contractors to use suitable commercial off-the-shelf (COTS) products whenever possible in their place. Meet technical and functional requirements while taking care of aesthetics at the front of your copper and fiber networks. Control: ISM-1098; Revision: 5; Updated: Mar-23; Applicability: S; Essential Eight: N/ASECRET cables are terminated in an individual cabinet; or for small systems, a cabinet with a division plate between any SECRET cables and non-SECRET cables. In the spirit of reconciliation the Australian Building Codes Board acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. CHAPTER 28 . The key is how to decipher them. Copper Cabling - 4pr, 25pr, 100pr, or more Current Ethernet "category" cable standards: Cat 3, 5/5e, Cat 6, Cat 7/7a & Cat 8 Backbone & Horizontal Distribution PVC & Plenum, Outdoor, Indoor, & Riser Patch Panels & Termination Blocks Cable Trays & Raceways Wall Mount Racks & Freestanding Racks & Cabinets Build a reliable building connectivity foundation with copper and fiber structured cabling and automated management. Other advances included a stress-crack resistance test on FEP (fluorinated ethylene propylene) and PFA (perfluoroalkoxy) jacketed cables, and the use of Type II PVC (polyvinyl chloride) for jackets, replacing the earlier specification for Type 1. a=, &. Control: ISM-0218; Revision: 6; Updated: Dec-21; Applicability: TS; Essential Eight: N/AIf TOP SECRET fibre-optic fly leads exceeding five metres in length are used to connect wall outlet boxes to ICT equipment, they are run in a protective and easily inspected pathway that is clearly labelled at the ICT equipment end with the wall outlet boxs identifier. Protection and mission / combat systems. *o2bYEPUH^vz@(\qV"iV[&Jiqqe@EuJalm{`Lwna2RnC4r|hMAYavCG+4Y=*n{(KYQB2 ?L DWlNTWgx~ 0 G Its a performance rather than a detail specification, so it gives cable manufacturers more flexibility in how they meet its requirements. However, an inner wall can be used to run TOP SECRET cables where sufficient space exists for their inspection. When completed, its hoped that the result will serve as a useful guide for the selection and use of RF/microwave connectors and cables. By World War II, virtually every country with even a modest military force had adopted them. Control: ISM-0246; Revision: 4; Updated: Jun-22; Applicability: O, P, S, TS; Essential Eight: N/AAn emanation security threat assessment is sought as early as possible in a systems life cycle as implementing emanation security can have significant cost implications. (1) Classified as Communications Circuits. Control: ISM-1107; Revision: 5; Updated: Dec-21; Applicability: O, P; Essential Eight: N/AOFFICIAL and PROTECTED wall outlet boxes are coloured neither salmon pink nor red. Just like Chapter 3, Wiring Methods and Materials, has a general article, Article 300, General Requirements for Wiring Methods and Materials, Chapter 8, Communications Systems, now has a general article, Article 800, General Requirements for Communications Systems. POWER CONTROL & MONITORING SYSTEMS - That is, while standards are essential, it was inevitable that they would grow like weeds until they became so unmanageable that it turned into enormous burden to anyone who had the temerity to use them. 1). Modernize macro cell sites to expand capacity and support LTE and 5G deployments and wireless backhaul. Semi-flexible cables arent to be used in places where repeated bending or flexing occurs or in shock-mounted equipment. It details specifications for flexible and semi-rigid coaxial cables with solid and semisolid dielectric cores as well as single, dual, twin and triaxial conductors. 190 0 obj <>/Filter/FlateDecode/ID[<67460E567C4E2643BAC2C255874CA958>]/Index[170 34]/Info 169 0 R/Length 95/Prev 165117/Root 171 0 R/Size 204/Type/XRef/W[1 2 1]>>stream That conflict has been removed in the 2020 Code. hVmo8+b$%tt.C MIL-DTL-17 is the primary standard designers refer to when designing or specifying cables for military and aerospace applications. 2023 Endeavor Business Media, LLC. This was obviously written with power cables in mind. The cables shall be listed as communications cables., (b) Class 2 and Class 3 Circuits. These types include: Coaxial Cable (Mil-C-17) Mil-Spec Power Cable (Mil-DTL-3432) Mil-Spec Wire (Mil-W-81044, Mil-W-16878, Mil-W-22759) Shipboard Cable (Mil-C-24640, Mil-C-24643) Extreme Environment Wire/Cable Control: ISM-1095; Revision: 5; Updated: Dec-21; Applicability: All; Essential Eight: N/AWall outlet boxes denote the systems, cable identifiers and wall outlet box identifier. The process for certification is daunting (Fig. Control: ISM-1822; Revision: 0; Updated: Mar-23; Applicability: All; Essential Eight: N/AWall outlet boxes for individual systems use a consistent colour. OX *V$:B~^K /PI~7$iJ&B0ZDutOJK(HxG L+vdcW>*\XRmpZ}HwnMVn-")/ZwB`4 sDXj;A*c 4[S9> {V4pW&A|d? Control: ISM-1103; Revision: 3; Updated: Dec-21; Applicability: All; Essential Eight: N/AIn TOP SECRET areas, cable reticulation systems leading into cabinets not in server rooms or communications rooms are terminated at the boundary of the cabinet. In shared facilities, uniquely identifiable Security Construction and Equipment Committee (SCEC)-approved tamper-evident seals should be used to provide evidence of any tampering or illicit access to TOP SECRET cable reticulation systems. In some circumstances, cables for different systems can be bundled together or run in a common conduit in order to reduce costs, such as cables for OFFICIAL and PROTECTED systems. TasNetworks Standard Communications and Data Cabling Standard R0001043989 Version 2.0, June 2018. The 2020 NEC, which replaces the 2017 NEC, was issued by the NFPA in August, 2019. Where active fire suppression is present, all cable types, except limited-use (CMX and CATVX), are permitted under the raised floor. Using data/comm cables for providing power in addition to communicating/signaling has been a hot topic in the data/comm industry. Deploy, organize and manage data and power distribution, indoors and outdoors. All rights reserved. Because MIL-DTL-17 cables are used in applications other than defense systems, they often include requirements contained in commercial standards such as those employed for use in designing automotive systems.