BC-88 RJ45 Patchcord Cables Bel BC-88 RJ45 Patchcord Cables are individually-bagged cable assemblies with 8 positions and 8 contact modular plugs. These modular plugs come in reverse (BC-88RSxF) and straight (BC-88SSxF) configurations. The BC-88 cables employ the 28AWG flat telephone wire construction with silver/grey insulation. These cables provide 300V voltage rating, 8Ω conductor resistance, and 5MΩ insulation resistance.