Hello Allan, thank you for your feedback. We're sorry to hear about the confusion with your MS-OPS2H Maestro Sensor Switch installation. This particular sensor switch does require a true earth ground wire or dedicated neutral feed connection in order to function. We do however, offer a Maestro dimmer sensor (model MSCL-OP153M) which does not require a ground or neutral connection. That product may be better suited for your application, as long as the light being used with it will be dimmable.
Should you decide to go with the Maestro dimmer sensor, please check out our bulb compatibility tool at lutron.com/ledfinder to make sure your dimmable LED has been Lutron tested and approved to provide the best dimming performance.
We hope this helps! If you have additional questions or concerns, we're happy to help! You can reach our Customer Satisfaction team at customersatisfaction@lutron.com, or call us at 1-844-LUTRON1. We're here 24/7, so please call us any time!