Installation Guide
Table Of Contents

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A-73
Carlon
®
Blue
™
PVC Boxes
Boxes & Covers — Carlon
®
Non-Metallic Boxes
Three-Gang Nail-On — For New Work
Three-Gang Bracket — For New Work
SN-357-FS
SB2-357-FSSB-357
B344AB
Three-Gang Bracket 56.5 Cu. In.
CAT. NO.
SIZE
CU. IN.
MOUNTING
MEANS DESCRIPTION
DIMENSIONS
(IN.)
STD.
CTN.
SB-357 56.5 One
3
⁄8" Offset
Bracket for
Wood/Steel Studs
3
⁄8" Wallboard Tabs
Molded Fast
Clamps/Fast Set
3
5
⁄8 L x 5
13
⁄16 W
x 3
7
⁄16 D
30
SB2-357-FS 56.5 Two
3
⁄8" Offset
Brackets for
Wood/Steel Studs
3
⁄8" Wallboard Tabs
Molded Fast
Clamps/Fast Set
3
5
⁄8 L x 5
13
⁄16 W
x 3
7
⁄16 D
20
B349ADJ
Three-Gang Adjustable — For New Work
• Design enables adjustment from 0" to 1
3
⁄4" after installation
• Ideal for new work or retrofit upgrade applications
• Backless low-voltage bracket and floor box designs available
• Ideal for various drywall thicknesses and wall finishes
Three-Gang Adjustable 49.0 Cu. In.
CAT. NO.
SIZE
CU. IN.
MOUNTING
MEANS DESCRIPTION DIMENSIONS (IN.)
STD.
CTN.
B349ADJ 49.0 Adjustable
Bracket
Adjusts 0"–1
3
⁄4" 5
13
/16 L x 3
5
/8 W x 3 D 16
SS-357
Three-Gang Nail-On 44.0–56.5 Cu. In.
CAT. NO.
SIZE
CU. IN.
MOUNTING
MEANS DESCRIPTION
DIMENSIONS
(IN.)
STD.
CTN.
B344AB 44.0 Captive Nails and
Bracket Support
— 5
5
⁄8 L x 3
3
⁄4 W
x 2
11
⁄16 D
30
SN-357 56.5 Compound
Angled Nails
3
⁄8" Offset Wallboard
Tabs Molded Fast Clamp
5
13
⁄16 L x 3
5
⁄8 W
x 3
7
⁄16 D
20
SN-357-FS 56.5 Compound
Angled Nails
3
⁄8" Offset Wallboard
Tabs Molded Fast
Clamps/Fast Set
5
13
⁄16 L x 3
5
⁄8 W
x 3
7
⁄16 D
20