wheelock Accessory Drawings, Matrix Service Manual
Helping People Take Action
MOUNTING ACCESSORIES AND
MOUNTING HEIGHTS
INC.
SM
(A) UNIVERSAL MOUNTING PLA TE
“AS” Mounting
(E) 4” SQUARE, DEEP, FLUSH (BO)
2-1/8” Deep
See Note 3
81#.GWA61#.GWA41#.GWA21#.GWA
8888
(H) NATP (Order Code: 8440)
5.25”
(B) SINGLE-GANG , FLUSH (BO)
See Notes 1 & 8
SROTCUDNOCFOREBMUNMUMIXAM
81#.GWA61#.GWA41#.GWA21#.GWA
4444
(F) DOUBLE-GANG , FLUSH (BO)
SROTCUDNOCFOREBMUNMUMIXAM
See Notes 4
SROTCUDNOCFOREBMUNMUMIXAM
81#.GWA61#.GWA41#.GWA21#.GWA
4444
(I) WPBB (Order Code: 9014)
For surface mounting AS outdoor products.
(D) 4” SQUARE, FLUSH (BO)
1-1½” Deep
See Note 2
SROTCUDNOCFOREBMUNMUMIXAM
81#.GWA61#.GWA41#.GWA21#.GWA
4444
(G) DOUBLE-GANG , SURF ACE (BO)
D
D
.L.W
"¾-4"¾-4
.D#GNAG
"¾-12
W
W
L
L
See Note 5
SROTCUDNOCFOREBMUNMUMIXAM
81#.GWA61#.GWA41#.GWA21#.GWA
4444
(J) BB BACKBOX (Order Code: 2830)
Standard steel backbox with knockouts for
interior surface mounting, concealed conduit
1-11/16
2 19/32
5 21/32
3-3/8
TOP
mounting or semi-flush applications. It is
painted to match the signal.
#8-32 TAP
(2) HOLES
3-3/8
4
3-3/8
4
5.25”
Thickness: 13/64”
(K) WBB WEATHER RESISTANT
BACKBOX (Order Code: 2959)
Sturdy die cast housing, threaded conduit hole
and knockout for outdoor applications. It is
painted to match the signal.
TAPPED
FOR ½”
CONDUIT
¼” DIA.
(2) HOLES
2-1/16”
½” KNOCKOUT
4444
5”
4-1/8”
3-3/8”
81#.GWA61#.GWA41#.GWA21#.GWA
2”
4-1/8”
3/8”
0-1/4”
SROTCUDNOCFOREBMUNMUMIXAM
5 3/16
SROTCUDNOCFOREBMUNMUMIXAM
81#.GWA61#.GWA41#.GWA21#.GWA
8888
(L) ISP2 SURFACE ADAPTER
Order Code: 3194 (Red) or 3195 (White)
5-1/4” SQ.
3 45/64
29/32
4 5/32
1 3/16
4 5/32
PROVIDED WITH KNOCKOUTS
See Note 9
81#.GWA61#.GWA41#.GWA21#.GWA
4444
FOR ½” & ¾” CONDUIT
SROTCUDNOCFOREBMUNMUMIXAM
(M) IOB BACKBOX (Order Code: 5046)
For surface mounting MT products.
See Note 10
81#.GWA61#.GWA41#.GWA21#.GWA
8888
Mounting Accessories continued on the next page.Copyright 2005 Wheelock, Inc. All rights reserved.
5-21/32
5-1/4 SQ.
3-3/8 SQ.
TOP
KNOCKOUTS FOR ½”
CONDUIT (TOP, BOTTOM)
2-5/8
2-5/8
SROTCUDNOCFOREBMUNMUMIXAM
58
Mounting Accessories continued.
(N) DBB BACKBOX (Order Code: 2955)
Standard steel backbox provided with knockouts
for interior surface mounting, concealed conduit
mounting or semi-flush applications. It is painted
to match the signal.
#8-32 TAP
(2) HOLES
8888
4
3-3/8
PROVIDED WITH KNOCKOUTS
FOR ½” & ¾” CONDUIT
3-3/8
2-3/16
4
81#.GWA61#.GWA41#.GWA21#.GWA
(Q) 4” SQUARE DEEP W/ EXTENSION
RING , FLUSH (BO)
See Note 6
HTPEDGNIR.TXE"2/1-1"8/1-2
81#.GWA88
61#.GWA88
41#.GWA88
21#.GWA48
2-1/8” DEEP
1-1/2” DEEP
(T) WPSBB-R (Order Code: 9751)
1-11/16
5 21/32
3-3/8
TOP
2 19/32
(O) RP-R RETROFIT PLA TE (Order
Code: 5042)
5-7/8
3-3/8
3-3/8
8
3-13/16
SROTCUDNOCFOREBMUNMUMIXAM
3-13/16
(R) SFP SEMI-FLUSH PLA TE (Order
Code: 2957)
Stamped aluminum surface wall plate which
mounts behind the basic unit and serves to cover
recessed backboxes in semi-flush mounting
applications. It is painted to match the signal.
#8-32 TAP
(2) HOLES
3-3/8
6
3-3/8
5/16
6
(U) 5” SQUARE BACKBOX W/
EXTENSION RING , FLUSH (BO)
5”
5”
2 - 7/8”
5”
(P) SBB BACKBOX (Order Code: 3204)
For surface mounting speakers, chimes, and
electronic applications.
13/32
5-1/2
8888
5-9/16
3-3/8
See Note 11
81#.GWA61#.GWA41#.GWA21#.GWA
3-3/8
¾” KNOCKOUTS
(EACH SIDE)
3-9/16
(S) AP ADAPTER PLATE (Order Code:
Stamped aluminum adapter plate
2961)
designed for applications where semi-flush
installations cannot be used. The plate can be
mounted to standard octagon or round backboxes
single or double gang boxes or plaster rings. The
backbox and
basic unit are
then fastened
to the plate.
This type
mounting is
referred
to as a
concealed conduit
installation. It is
painted to match
the signal.
#8-32 TAP
(4) HOLES
6
3-3/8
(V) SSB-4 CEILING SUPPORT BRIDGE
(Order Code: 3380)
Provisions for (4) J-nuts #8-32 ib 3-3/8” square
Material: Steel
½” KNOCKOUTS
(EACH SIDE)
SROTCUDNOCFOREBMUNMUMIXAM
6
3-3/8
5/16
6-1/2”
81#.GWA61#.GWA41#.GWA21#.GWA
8888
(W) 411/16” SQUARE, DEEP
SURFACE (B0)
See Note 7
81#.GWA61#.GWA41#.GWA21#.GWA
01010101
(AA) E50SB-R (Order Code: 0230)
5 3/16
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(X) SHBB SQUARE, SURFACE
BACKBOX (Order Code: 7254)
11/16
1-9/16
1/2
5
3-3/8
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5”
(Y) SER-R SQUARE SEMI-FLUSH
EXTENSION RING (Order Code:
3045)
5"
3-3/8"
3-3/8
5
(BB) E50SSB-R (Order Code: 0232)
1-9/16"
3-3/8" 5"
23-3/4”
(Z) SBL-2 BACKBOX
(Order Code: 6988)
1 11/16
11-16
See Note 12
6 7/64
3-3/8
3-3/8
10 15/16
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