Yes the 14-50 will charge the I-Pace at the full 7 kW rate. Clipper Creek is $600 plug and play. Model HCS-40.
Actually with an adapter you can use your existing Tesla wall charger. $239 from Quick Charge Power
https://shop.quickchargepower.com/JDapter-Stub-Tesla-Charge-Station-Adaptor-JDPTRSTB.htm
Actually with an adapter you can use your existing Tesla wall charger. $239 from Quick Charge Power
https://shop.quickchargepower.com/JDapter-Stub-Tesla-Charge-Station-Adaptor-JDPTRSTB.htm