... using the MC technique, 3.with TUV/UL certifited. Solar ConnectorLQ-1T:Description :LQ1 to connector electrical wiring, using ... the MC technique, the connecting cables suitable for the combination of solar panel connection. This product has been certified by ... box; all connections are using press-fit connection; PV Solar Connector,tyco solar system connector, for Photovoltaic System with TUV/UL