Profile: Circa Telecom U. S. A., Inc. offers telecommunication equipments. Our products are enhanced building entrance terminals & modules, modular security modules and cable / module testers. Our 16 AWG steel building entrance terminals feature reliable 66 block style quick clip connectors for both the input and output terminals. Their connectors can accept up to an 18 AWG line termination. Our heavy gauge steel BIX block building entrance terminals feature the BIX (MOX) brand connectors and external ground connectors that accept 6 to 14 gauge ground wires. The BIX connectors can terminate 22-26 gauge wires and accept the QTBIX22A test shoes.