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1 Νοε 2021 · CMP stands for "Communications Multipurpose Cable, Plenum", it is a cable jacket fire resistance rating defined in Article 800 of the NEC. The CMP is the highest grade of ethernet jacket fire rating and complies with the UL 910 plenum test and CSA FT6.
7 Απρ 2021 · CMP (Communications Multipurpose Cable, Plenum) Article 800 of the National Electric Code defines communications multipurpose cable plenum or CMP as a cable that has a fire-resistant rating jacket which may also be called a plenum-rated cable.
In wrapping up, understanding CM, CMR, and CMP cable ratings is key for successful networking projects. Each type has its use—CM for general connections, CMR for walls, and CMP for ceilings and air ducts. Adhering to standards is vital for safety, reliability, and legal compliance.
CMP, CMR and the like are the NEC’s ratings for the outer casing or “jacket” that surrounds a cable’s internal wiring and insulation. The purpose of the jacket is to protect the wiring from physical damage, moisture, ozone and ultraviolet rays.
10 Μαΐ 2022 · Plenum rated (CMP) cable has an outer jacket made of fire-resistant material like Teflon to prevent fire from spreading. When a fire happens, plenum rated cable is designed to: Restrict flame propagation to no more than five feet
18 Σεπ 2023 · CMP, or Communications Multipurpose Cable, Plenum-rated, is a term that's tossed around quite frequently in the realm of cable management and installation. It's a type of fire-resistant cable designed to restrict flame propagation to no more than five feet and limit the amount of smoke emitted during a fire.
29 Φεβ 2024 · CMP cables, also known as plenum-rated cables, are a type of communications cable designed specifically for installations in plenum spaces. Plenum spaces are areas in buildings where air circulates, usually for air conditioning systems.
