Belden 6303UE 877 is a plenum-rated security & sound cable with 5 stranded 18 AWG BC - Bare Copper conductors and PVC - Polyvinyl Chloride insulation. It features a PVC - Polyvinyl Chloride outer jacket with ripcord and sequential footage marking every two feet to support efficient pulls and accurate cut lengths. Electrical performance includes 300 V, 6.79 Ohm/1000ft DCR, 30 pF/ft (98 pF/m) capacitance, and a max current of 4 Amps per Conductor at 25ºC.
Key Features
- Plenum-rated security & sound cable for power-limited and low-voltage signal distribution.
- 5 stranded 18 AWG BC - Bare Copper conductors with 7x26 stranding.
- PVC - Polyvinyl Chloride insulation and PVC - Polyvinyl Chloride outer jacket.
- Ripcord: Yes, for easier stripping.
- Sequential footage marking every two feet for efficient pulls and accurate cut lengths.
Technical Specs
Construction & Materials
| Number of conductors | 5 |
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| Conductor size | 18 |
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| Conductor stranding | 7x26 |
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| Conductor material | BC - Bare Copper |
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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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| Insulation color code | Black, Red, White, Green, Brown |
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| Outer jacket material | PVC - Polyvinyl Chloride |
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| Nom. jacket thickness | 0.015 in (0.38 mm) |
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| Nom. overall diameter | 0.203 in |
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| Plenum number | 5303UE |
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Electrical Characteristics
| UL voltage rating | 300 V |
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| Nom. conductor DCR | 6.79 Ohm/1000ft |
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| Nom. capacitance cond-to-cond | 30 pF/ft (98 pF/m) |
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| Max. current | 4 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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| Bend radius (stationary min.) | 2.03 in (51.6 mm) |
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| Bend radius (installation min.) | 2.03 in |
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| Max. pull tension | 104 lbs (47.2 kg) |
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| Bulk cable weight | 38 lbs/1000ft |
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| Environmental suitability | Outdoor |
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Compliance & Certifications
| NEC / UL compliance | Article 800, CMP |
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| CEC / C(UL) compliance | CMP |
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| Flammability / reaction to fire | NFPA 262 (UL910), FT6 |
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| European directive compliance | EU CE Mark, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE) |
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| APAC compliance | China RoHS II (GB/T 26572-2011) |
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Applications
- Supports security system wiring where power-limited and low-voltage signal distribution is required.
- Ideal for intercom/PA installations distributing low-voltage audio and control signals.
- Suitable for audio/speaker runs in building systems that use power-limited cabling.
- Commonly used in power-limited controls circuits for low-voltage control and signaling connections.
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