| 摘要 |
The invention relates to a full-auto retractable, built in (in-wall) extension cord and multi-outlet adaptor jack that is an electrical unit powered by any in-wall power line ranging from 110V to 250V. The unit is designed to be installed into load and non-load bearing walls of any building. It is especially intended to be fitted into the air gap between two drywall panels. It may also be installed into concrete and brick walls, however further technical alterations will be required. |
