Belden 6542FE 877 is a Plenum-CMP security & sound cable with 3 pairs of 22 AWG stranded bare copper conductors. It features Flamarrest® insulation, an overall Beldfoil® tape shield with drain wire, and a Flamarrest® PVC jacket with ripcord. Rated 300 V, it meets NFPA 262 (UL910) and FT6 requirements for plenum installations.
Key Features
- Plenum-CMP security & sound cable construction for plenum installations.
- 3 pairs of 22 AWG stranded bare copper conductors (7x30).
- Overall Beldfoil® tape shield with 100% coverage and drain wire for grounding.
- Flamarrest® PVC jacket with ripcord for cleaner pulls and terminations.
- Sequential footage marking every two feet.
Technical Specs
Construction & Materials
| Elements | pair(s) |
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| No. of elements | 3 |
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| Insulation material | PVC - Polyvinyl Chloride |
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| Nom. insulation thickness | 0.009 in (0.23 mm) |
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| Nom. insulation diameter | 0.047 in (1.2 mm) |
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| Color code | Black & Red, Black & White, Black & Green |
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| Shield type | Tape |
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| Shield material | Bi-Laminate (Alum+Poly) |
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| Shield construction | Overall Shield & drain |
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| Drainwire type | 24 AWG (7x32) TC |
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| Jacket material | PVC - Polyvinyl Chloride |
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| Nom. jacket thickness | 0.015 in (0.38 mm) |
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Physical Specs
| Nom. overall diameter | 0.216 in (5.49 mm) |
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| Bulk cable weight | 26.1 lbs/1000ft |
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| Non-Plenum number | 5542FE |
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Electrical Characteristics
| UL voltage rating | 300 V |
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| Nom. conductor DCR | 17.6 Ohm/1000ft |
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| Nom. outer shield DCR | 14.4 Ohm/1000ft (47.2 Ohm/km) |
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| Nom. capacitance (Cond-to-Cond) | 33 pF/ft (110 pF/m) |
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| Nom. capacitance (Cond-to-other) | 59.4 pF/ft (195 pF/m) |
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| Nom. inductance | 0.18 μH/ft (0.59 μH/m) |
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| Max. current | 2 Amps per Conductor at 25ºC |
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Environmental & Mechanical Ratings
| UL temperature | 75°C |
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| Operating temperature | 0°C to +75°C |
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| Stationary min. bend radius | 2.16 in (54.9 mm) |
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| Installation min. bend radius | 2.16 in (54.9 mm) |
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| Max. pull tension | 60.1 lbs (27.3 kg) |
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Compliance & Certifications
| Flammability / reaction to fire | NFPA 262 (UL910), FT6 |
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| NEC / UL compliance | Article 800, CMP |
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| CEC / C(UL) compliance | CMP |
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| CPR compliance | CPR Euroclass: Eca |
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| European directive compliance | EU CE Mark |
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| UK regulation compliance | UKCA Mark |
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Applications
- Use for security system wiring where a plenum-rated cable is required.
- Connect intercom/PA systems in building spaces that call for CMP cable.
- Run audio/speaker lines where an overall shield helps manage noise in noisy environment installations.
- Install in power-limited control circuits in plenum areas.
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