Power

Standby power, surges and outages behind the media wall

What is happening

A finished media wall concentrates a lot of electronics in one place: a screen, a sound bar or receiver, a streaming box, perhaps a game console and a network switch. Most of it never truly turns off. Lawrence Berkeley National Laboratory explains that nearly all new electrical products draw power around the clock, usually less than 0.5 watts each, but that together these standby loads amount to 5–10% of residential electricity use³.

Why it matters for a media wall

When outlets are hidden behind a mounted screen, the only way to cut power completely is to take the screen down. That is fine for a television that stays on standby, but awkward for equipment you want to switch off for long absences, or quickly during a storm.

Outages and surges

Ready.gov’s power outage guidance tells households to disconnect appliances and electronics to avoid damage from electrical surges, and to run generators only outdoors and away from windows⁴. On the Gulf Coast, where summer storms and hurricane season both bring outages, that advice is easier to follow if the media wall’s gear plugs into something you can reach.

What to plan

• One recessed outlet behind the screen for the screen itself.
• A reachable outlet or power strip for source equipment, such as inside a ventilated cabinet or at the side of the wall.
• Room for the strip to sit where it can be seen and switched, not buried in a cavity.
• A note of which breaker feeds the wall, kept with your home records.

What it does not cover

Wiring changes behind a wall are electrician’s work and may need a permit. This guide is about where things go, not how to wire them.