knob and tube?

Will the Belkin Wemo light switch work with older knob and tube electrical wiring? I noticed in the install requirements that a neutral wire is required - if only two wires exist in my house I'd assume one is hot and one is neutral. Is this correct?

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  • That is an incorrect assumption. If you only have two wires at the switches, one is likely the hot, the other the switched hot to the load (light). A neutral is required. This device needs a tiny amount of power to run the device and thus needs hot and neutral in addition to the switched hot (should also have a ground). The electrical code has recently added a requirement for all switch locations to have a neutral as more smart switches are coming on the market. Contact a qualified electrician for help.

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