I bought some of these lever connection blocks. They can handle wire upto 4mm2 stranded wire or 2.5mm2 solid wire and rated at 400v 32A. Click image for larger version. 

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or something like this for 8 wires they are push to lock and twist to release.
Click image for larger version. 

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I went ahead and bought a mixed 100 piece bulk pack of 2-8 input connectors. They always come in handy.