Belden 6303UE 877, FLRST 5C 18 AWG Multi Conductor Natural

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
Conductor size	18
Conductor stranding	7x26
Conductor material	BC - Bare Copper
Insulation material	PVC - Polyvinyl Chloride
Nom. insulation thickness	0.009 in (0.23 mm)
Nom. insulation diameter	0.047 in (1.2 mm)
Insulation color code	Black, Red, White, Green, Brown
Outer jacket material	PVC - Polyvinyl Chloride
Nom. jacket thickness	0.015 in (0.38 mm)
Nom. overall diameter	0.203 in
Plenum number	5303UE

Electrical Characteristics

UL voltage rating	300 V
Nom. conductor DCR	6.79 Ohm/1000ft
Nom. capacitance cond-to-cond	30 pF/ft (98 pF/m)
Max. current	4 Amps per Conductor at 25ºC

Environmental & Mechanical Ratings

UL temperature	75°C
Operating temperature	0°C To +75°C
Bend radius (stationary min.)	2.03 in (51.6 mm)
Bend radius (installation min.)	2.03 in
Max. pull tension	104 lbs (47.2 kg)
Bulk cable weight	38 lbs/1000ft
Environmental suitability	Outdoor

Compliance & Certifications

NEC / UL compliance	Article 800, CMP
CEC / C(UL) compliance	CMP
Flammability / reaction to fire	NFPA 262 (UL910), FT6
European directive compliance	EU CE Mark, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC compliance	China RoHS II (GB/T 26572-2011)

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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