,Model##Other##,Description##Other## 1 Duplex Back-to-Back,GN1358.1BB,Junction Block 1 Duplex Back-to-Back Application Beam Attached 1 Duplex Single-Sided,GN1358.1SB,Junction Block 1 Duplex Single-Sided Application Beam Attached 2 Duplexes Back-to-Back,GN1358.2BB,Junction Block 2 Duplexs Back-to-Back Application Beam Attached 2 Duplexes Single-Sided,GN1358.2SB,Junction Block 2 Duplexs Single-Sided Application Beam Attached 1 Duplex Back-to-Back Perf Rail,GN1358.1BR,Junction Block 4 Circuit 1 Duplex Back-to-Back Application Performance Rail Attached 1 Duplex Single Sided Perf Rail,GN1358.1SR,Junction Block 4 Circuit 1 Duplex Single Sided Application Performance Rail Attached 2 Duplexes Back-to-Back Perf Rail,GN1358.2BR,Junction Block 4 Circuit 2 Duplexes Back-to-Back Application Performance Rail Attached 2 Duplexes Single Sided Perf Rail,GN1358.2SR,Junction Block 4Circuit 2 Duplexes Single Sided Application Performance Rail Attached