Every electrical box needs a cover plate. A junction box, which is used solely to house wires and their connections but not devices, needs a blank cover plate. The cover plate keeps probing fingers, especially those of kids, away from the wires and the terminal screws on the device, all of which are fine sources of electrical shock. Plastic is the material of choice for most cover plates, but metal is used in some commercial work and with metal boxes. Outdoor boxes have plates with foam gaskets to keep moisture out. Outdoor receptacles have additional protection: A section of the cover plate closes over and covers the receptacle when it isn’t in use. Plastic cover plates have been used since the 1920s, but other materials have been used as well.
Brass: New and Old
Many older homes have original brass cover plates, often with a dark bronze tone. These will readily take to a buffing wheel and will come out a fine, shiny brass if that’s your preference. New replacement brass plates also are available. Some homeowners and designers install them in kitchens and bathrooms, but such damp locations aren’t the best places for brass unless you like polishing them from time to time.
The Artful Flare of Ceramics
If you go to any good-size street fair, at least in a large city, you’re likely to run into an artist’s booth selling ceramic electrical plates. Some have a theme (such as stars or suns); others are a little more whimsical. Check to see if they’re listed by UL; if they’re not, decide whether you think it’s a problem. These plates are usually ceramic, nonconducting material and can be pricey.
Local gift and design shops might carry these types of plates as well. They usually are purchased for a single room, such as a bathroom or a baby’s room, rather than an entire home.
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