Electric box covers - also known as meter box covers, electric meter box covers, or electrical box lids - offer a practical solution for protecting existing meter enclosures without the need for full replacement. Check each product page for other buying options. Outlet Cover BOX Baby Proofing (1-Pack) Patented Dual-Lock for Much Better Toddler Proofing, Easy Operation, Simple 3 Step Install with Included Screws. It takes the incoming power and safely distributes it to different circuits throughout your building. RACO 1-Gang Device Cover - Ideal product to mount switches or receptacles to a 4 inch square electrical box. Engineered with convenient mounting slots to compensate for box misalignment of up to 12 degrees, its robust construction ensures a secure fit.