Step-by-step guidance on installing an electric meter box safely—site prep, clearances, mounting height, wiring, grounding, permits, and code compliance explained. An electric meter box measures how much electricity your home uses. If you're setting up a new one or replacing an. The meter box looks simple. But that enclosure is where the public power grid meets the private electrical system. Installing an electric meter box might seem like a job for professionals only—but with the right knowledge, it's a task many homeowners. In this guide, we will break down the key elements involved in connecting the main power supply to your home, providing a clear path for a successful setup. We will focus on the critical parts of the system, from basic components to step-by-step assembly procedures.