Extron electronic MR D Series Modifying a Mud Ring, Part Numbers, Name, Description, Part number

MR and MR D Series Installation Guide

Modifying a Mud Ring

Each mud ring size can be modified to make the mud ring one gang-size larger or smaller (figure 3). You can resize the mud ring by either adding a top and bottom segment, removing a top and bottom segment (2- through 7-gang size only), or replacing one size top and bottom segment with another.

Segment Assembly Screws

	2 Small Top/bottom Segments	2 Small Top/bottom
Small Top/bottom Segment		Segments
MR 200 2-gang Mud Ring		MR 200
		Modified to be 3-gang Mud Ring

Figure 3 — Modifying an MR mud ring

NThe 1-gang mud ring cannot be made smaller.

Modify the mud ring as follows:

1. As necessary, remove the segment assembly screws that hold the segments together, and add, remove, or replace a top segment and a bottom segment.

NFor example, to modify an MR 300 to be a 4-gang mud ring, add one small segment on the top and bottom. To modify the same MR 300/MR 300D to be a 2-gang mud ring, replace the large segments on the top and bottom with small segments.

2. Replace and install new segment assembly screws as necessary.

Part Numbers

The MR/MR D Series mounting brackets (mud rings) are available in the following configurations:

Name	Description	Part number
MR 100	1-gang mud ring, black or white	70-519-12 or -13
MR 100D	1-gang Decora® style mud ring, black	70-581-12
MR 200	2-gang mud ring, black or white	70-519-22 or -23
MR 200D	2-gang Decora style mud ring, black	70-581-22
MR 300	3-gang mud ring, black or white	70-519-32 or -33
MR 300D	3-gang Decora style mud ring, black	70-581-32
MR 400	4-gang mud ring, black or white	70-519-42 or -43
MR 500	5-gang mud ring, black or white	70-519-52 or -53
MR 600	6-gang mud ring, black or white	70-519-62 or -63
MR 700	7-gang mud ring, black or white	70-519-72 or -73

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