<p>An electronic label system comprises an electronic label for use with a powered rail. The electronic label includes a coupling arrangement so that it can physically couple to the powered rail. The powered rail includes electrical conductors for conveying power and optionally data to one or more electronic labels that are physically coupled thereto. In some embodiments, the electronic label includes electrical contacts that physically contact the electrical conductors of the powered rail to receive power and/or data therefrom. The powered rails are configured for one sided or two sided use.</p>
