Belden 6304UE 877U is a security & sound cable for indoor - plenum installations, built with 6 conductors of 18 AWG stranded bare copper (7x26). It uses Flamarrest® insulation and a Flamarrest® jacket, and is rated 300 V and 75°C. For easier handling, it includes a ripcord and sequential footage marking every two feet to support efficient pulls and cut-to-length accuracy.
Key Features
- 6-conductor 18 AWG stranded bare copper construction (7x26) for security & sound wiring needs.
- Flamarrest® insulation and Flamarrest® jacket for indoor - plenum use.
- Rated 300 V and 75°C.
- Includes a ripcord to support easier jacket removal during installation.
- Sequential footage marking every two feet helps with measuring pulls and cutting to length.
- Meets NFPA 262 and UL 910 (Plenum) fire performance requirements.
Technical Specs
Cable Construction & Materials
| Cable type | Security & Sound Cable |
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| Number of conductors | 6 |
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| Conductor size | 18 AWG |
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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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| Insulation thickness (nom.) | 0.009 in (0.23 mm) |
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| Insulation diameter (nom.) | 0.063 in (1.6 mm) |
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| Color code | Black, Red, White, Green, Brown, Blue |
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| Jacket material | PVC - Polyvinyl Chloride |
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| Jacket thickness (nom.) | 0.015 in (0.38 mm) |
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| Overall cable diameter (nominal) | 0.216 in (5.49 mm) |
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| Non-plenum number | 5304UE |
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Electrical Characteristics
| Nom. conductor DCR | 6.5 Ohm/1000ft |
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| Nom. capacitance cond-to-cond | 34 pF/ft (110 pF/m) |
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| Max. current | 9.8 Amps per Conductor @ 25°C |
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Environmental & Mechanical Ratings
| Operating temperature | 0°C to +75°C |
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| Bend radius (stationary min.) | 2.2 in (56 mm) |
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| Bend radius (installation min.) | 2.2 in (56 mm) |
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| Max. pull tension | 134 lbs (60.8 kg) |
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| Bulk cable weight | 43 lbs/1000ft |
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| Environmental suitability | Indoor - Plenum, Indoor |
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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, UL 910 (Plenum), FT6, IEC 60332-1-2 |
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| CPR compliance | CPR Euroclass: Eca |
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| European directive compliance | EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE) |
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| UK regulation compliance | UKCA Mark |
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| APAC compliance | China RoHS II (GB/T 26572-2011) |
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Applications
- Use in security system installations where plenum-rated cabling is required.
- Support intercom/PA runs in indoor building spaces, including plenum areas.
- Connect audio/speaker lines for low-voltage audio distribution.
- Install for power-limited controls wiring in indoor environments, including plenum spaces.
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