TP3603 indoor conduit back box a complement to T94S01P at a lower price point for large indoor installations (eg data centers). Compatible with P32/M32 indoor versions as well as indoor versions of Q17/19/29, P33, Q35, and P14/M42(plate needed TP1601). TP3603 has two seperate conduit entries (1/2" & 3/4") and has space for connectors (e.g. T86 Media Converters & T6101 I/O interface).