![]() I use the longer screws, as someone else posted about, because when you use the spacers, the original mounting screws can be too short to properly install the switches/receptacles. plaster ring, extension ring, or listed extender will not be set back of the. enclosure (box) shall be the total volume of the assembled sections and, where used, the space provided by plaster rings, domed covers, extension rings, and so forth, that are marked with their volume or are made from boxes the dimensions of which are listed in Table 314.16 (A). Automatically Levels And Supports Outlets, Switches, Gfcis, And Other Standard Devices. When plaster was starting to set a bit I’d take masking tape of and losing enough so I could get fill in behind them with some stiff gear. Works With Handy Boxes And 4-Inch Square Electrical Boxes With Plaster Rings For Single Switches. I also have a small bin full of the longer length screws that I can use to replace the mounting screws that normally come with switches/receptacles. Electrical code requires outlets to be installed within properly mounted. I would tape them up using masking tape and plaster up to them. 19), top row) or an outlet box with a plaster ring. electrical boxes with plaster rings for single switches or receptacle. .identify and explain the electrical outlet symbols used in the plans of the single-family dwelling. These spacers work great for fixing that because they come in thicknesses from 1/4 of an inch up to 3/4 of an inch, and they allow the ears of the switches/receptacles to have a surface to come in contact with. The extension ring provides additional cubic capacity or as an outlet box for. Most of the time the rock lathe would crumble up so much that even the metal "ears" on switches and receptacles no longer had any surface left to come in contact with on the outside of the wall. The rock lathe just crumbles apart anytime I try to replace a switch/receptacle or I want to add one in a new location. My house was built in 1955 and the walls are made of rock lathe with a skim coat of plaster on top of that. covers, and mud rings as well as all the electrical box mounting products and accessories needed. This outlet box extension acts as a spark arrestor for a recessed outlet or switch that needs to be pulled out more from an electric box installed behind. A few years ago I bought three of each "thickness" that they make of those things and they are a god send sometimes. Small Size: Suitable for 2 - 3 port socket extensions. I keep a bunch of those on hand all the time for the same reason you needed it.
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