wheelock Accessory Drawings, Matrix Service Manual
(A) UNIVERSAL MOUNTING PLATE
TOP
D
“AS” Mounting
(B) SINGLE-GANG, FLUSH (BO)
MOUNTING ACCESSORIES
(F) DOUBLE-GANG, FLUSH (BO)
See Notes 4
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
Used with Series AMT, AH, AS, HS4, HS, MT, NH, NS, RSS
(G) DOUBLE-GANG, SURFACE (BO)
D
L. W.
4-¾” 4-¾”
D. GANG #
1-¾” 2
W
L
See Notes 1 & 8
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
Used with Series AH, AS, MIZ, NH, NS, RSS
(D) 4” SQUARE, FLUSH (BO)
1-1½” Deep
See Note 2
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
Used with Series 31T, 43T, AMT, AH, AS, HS4, HS, MB, MT, MT4, NH, NS, RSS
(E) 4” SQUARE, DEEP, FLUSH (BO)
See Note 5
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
Used with Series AH, AS, NH, NS, RSS
(H) NATP (Order Codes: Red 8440, White 8441)
5.25”
5.25”
Thickness: 13/64”
Used with Series AH, AS, NH, NS, RSS
(I) WPBB (Order Code: 9014)
For surface mounting AS outdoor products.
1-11/16
5 21/32
3-3/8
2-1/8” Deep
See Note 3
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
Used with Series 31T, 43T, AMT, AH, AS,
ET-1010, HS4, HS, MB, MT, MT4, NH, NS, RSS, RSSP
2 19/32
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
5 3/16
Used with Series ASWP Weatherproof
TOP
(J) BB BACKBOX (Order Codes: Red 2830, Gray 2349)
Standard steel backbox with knockouts for interior surface mounting,
concealed conduit mounting or semi-flush applications.
It is painted to match the signal.
3-3/8
5
(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.
3-3/8
4
2-3/16
#8-32 TAP
3-3/8
4
(2) HOLES
PROVIDED WITH KNOCKOUTS
See Note 9
MAXIMUM NUMBER OF CONDUCTORS
FOR ½” & ¾” CONDUIT
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
Used with Series 31T, 43T, AH, AS, MB, MT4, NH, NS, RSS
(K) WBB WEATHER RESISTANT BACKBOX (Order Codes:
Red 2959, White 2411)
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
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
4 4 4 4
5”
4-1/8”
3-3/8”
3/8”
2”
0-1/4”
4-1/8”
Used with Series 31T, 43T, AHWP, ET-1010, MB, MT4
(L) ISP2 SURFACE ADAPTER (Order Code: Red 3194,
White 3195)
5-1/4” SQ.
#8-32 TAP
(2) HOLES
PROVIDED WITH KNOCKOUTS FOR ½” & ¾” CONDUIT
3-3/8
4
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
Used with Series 31T, 43T, AMT, AH, AS, ET-1010, HS4, HS, MB, MT, MT4, NH, NS, RSS
(O) RP-R RETROFIT PLATE (Order Code: 5042)
5-7/8
3-3/8
3-3/8
8
3-13/16
3-13/16
13/32
Used with Series 31T, 43T, AMT, AH, AS, CH70, E70, ET70,
ET-1010, ET-1080, HS4, HS, MB, MT, MT4, NH, NS, RSS
(P) SBB BACKBOX (Order Codes: Red 3204, White 3193)
For surface mounting speakers, chimes, andelectronic applications.
5-9/16
3-9/16
3 45/64
29/32
4 5/32
1 3/16
4 5/32
Used with Series AMT, CH70, E70, ET70, HS4, HS, MT
(M) IOB BACKBOX (Order Codes: Red 5046, White 5047)
For surface mounting MT products.
KNOCKOUTS FOR ½”
CONDUIT (TOP, BOTTOM)
5-21/32
5-1/4 SQ.
3-3/8 SQ.
2-5/8
2-5/8
See Note 10
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
Used with Series AMT, ET70WP, HS4, HS, MT, MTWP
See Note 11
5-1/2
3-3/8
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
3-3/8
¾” KNOCKOUTS
(EACH SIDE)
½” KNOCKOUTS
(EACH SIDE)
Used with Series 43T, AMT, CH70, E70, ET70, ET-1080, HS4, HS, MB, MT, NH, NS, RSS
(Q) 4” SQUARE DEEP W/ EXTENSION RING, FLUSH (BO)
See Note 6
EXT. RING DEPTH 1-1/2” 2-1/8”
AWG. #18 8 8
AWG. #16 8 8
AWG. #14 8 8
AWG. #12 4 8
2-1/8” DEEP
1-1/2” DEEP
Used with Series CH70, CH90, E70, ET70, E90, ET90, ET-1080
3- 3/ 8"
TOP
(R) SFP SEMI-FLUSH PLATE (Order Codes: Red 2957, White
2958)
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.
6
3-3/8
5/16
(V) SSB-4 CEILING SUPPORT BRIDGE (Order Code: 3380)
Provisions for (4) J-nuts #8-32 ib 3-3/8” square Material: Steel
6-1/2”
#8-32
TAP (2)
HOLES
3-3/8
6
Used with Series 31T, 43T, AMT, AH, AS, CH70, E70, ET70,
ET-1010, ET-1080, HS4, HS, MB, MT, MT4, NH, NS, RSS
(S) AP ADAPTER PLATE (Order Code: 2961)
Stamped aluminum adapter plate 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
3-3/8
5/16
6
Used with Series
43T, MB
(T) WPSBB-R (Order Codes: Red 9751, White 3033)
1-11/16
5 21/32
3-3/8
23-3/4”
Used with Series CH70, CH90, E70, ET70, E90, ET90, ET-1080
(W) 411/16” SQUARE, DEEP SURFACE (B0)
See Note 7
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
10 10 10 10
Used with Series SM, DSM
(X) SHBB SQUARE, SURFACE BACKBOX (Order Codes:
Red 7254, White 7255)
11/16
1-9/16
1/2
5
3-3/8
Used with Series
2 19/32
RSSWP Weather-
proof
MAXIMUM NUMBER OF CONDUCTORS
AWG. #18 AWG. #16 AWG. #14 AWG. #12
8 8 8 8
5 3/16
(U) 5” SQUARE BACKBOX W/ EXTENSION RING, FLUSH (BO)
5”
5”
5”
5”
2 - 7/8”
Used with Series CH70, CH90, E70, ET70, E90, ET90, ET-1080
3-3/8
5
Used with Series 43T, AH, AS, MB, NH, NS, RSS
(Y) SER-R SQUARE SEMI-FLUSH EXTENSION RING (Order
Codes: Red 3045, White 3049)
Used with Series CH70 E70, ET70
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