Yes, standard Lutron Caséta dimmer switches (such as the PD-6WCL) are specifically designed to operate without a neutral wire, making them the premier choice for retrofitting older homes where neutral wires are missing from wall boxes. These devices utilize a specialized two-wire architecture that completes its circuit by drawing a microscopic amount of standby leakage current through the attached light fixture. However, Caséta non-dimming switches (like the PD-5ANS) and select specialized models do require a permanent neutral wire. Verification: Check the wiring diagram and product specifications on the box to confirm whether your specific Caséta model requires a neutral connection.
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