Links to some of Ray Wu's products:
3-4-3 T-splitter 13.5mm
20cm 4 core 13.5mm pigtails (preferred for floods)
50cm 4 core 13.5mm pigtails
50cm 3 core 13.5mm pigtails
1.5m 3 core 13.5mm extension
3m 3 core 13.5mm extension
13.5mm end cap
