Use & Care Guide

© 2003 Thomas & Betts Corporation. Specifications are subject to change without notice. www.tnb.com A23
Square Boxes and Accessories
4" Square Thru-Wall Box
Knockouts
Cat. Ea. Side Ea. End Std.
No. Conduit Conduit Ctn.
1d" deep–with conduit KOs–21.0 cubic inch capacity
X1-1/2 & 3/4 2–d", 1–f"2–d", 1–f"25
X1-1/2-1/2 & 3/4
2G4D-1/2 & 3/4
2G4D-V-1/2 & 3/4
“CV” bracket
recessed g"
3 and 4 Gang Drawn-Style Device Boxes
Cat. Ea. Side Ea. End Std.
No. Brkts. Conduit Conduit Ctn.
2a" deep–3 gang – cubic inch, 4 gang – cubic inch
3G4D-1/2 –3–d" 2–d" 20
3G4D-B-1/2 B3–d" 2–d" 20
3G4D-V-1/2 CV 3–d" 2–d" 20
4G4D-1/2 –4–d" 2–d" 20
4G4D-B-1/2 B4–d" 2–d" 20
4G4D-V-1/2 CV 4–d" 2–d" 20
3G4D-V-1/2
4G4D-1/2
3G4D-1/2 3G4D-B-1/2
4G4D-B-1/2 4G4D-V-1/2
4" Square Two-Device Boxes
Knockouts
Cat. Ea. Side Ea. End Bottom Std.
No. Brkts. Conduit Conduit Conduit Ctn.
2a" deep–with conduit KOs–30.3 cubic inch capacity
2G4D-1/2 & 3/4 –2–d", 1–f" 2–d", 1–f" 3–d", 2–f" 25
2G4DV-1/2 & 3/4 CV 2–d", 1–f" 2–d", 1–f" 3–d", 2–f" 25
4" Square Extension Rings
Knockouts
Cat. Ea. Side Ea. End Std.
No. Conduit Conduit Ctn.
1d" deep–with conduit KOs–21.0 cubic inch capacity
53151-1/2 3–d" 3–d" 50
53151-3/4 2–f" 2–f" 25
53151-1/2 & 3/4 2–d" 2–d" 50
1–f" 1–f"
53151-1/2 & 3/4-UB* 2–d" 2–d" 50
1–d"
& f"E
2a" deep–with conduit KOs–30.3 cubic inch capacity
53171-1/2 & 3/4* 2–d" 2–d" 25
1–d" 1–f"
& f"E
53171-1 2–1" 2–1" 25
** Per U.L. 514-A, suitable for use without a bonding jumper in circuits above or below 250 volts.
** ECC, KO’s on sides.
53151-1/2
53151-3/4
53151-1/2 & 3/4 53151-1/2 & 3/4-UB**
53171-1/2 & 3/4**
53171-1
A
Steel City
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