• Up to Twelve 3/4 Concetric Knockouts per box
  • Now Stock only 4 Sizes
  • Saves Inventory Money
  • More Flexible in the Field
  • Saves Inventory Space
  • Up to 44 cu. in. per box
  • Welded Construction

4 11/16" Square Boxes with Concentric Knockouts

ARC-CO NO.

 DEPTH

KNOCK-OUTS BOTTOM 1/2

KNOCK-OUTS BOTTOM 3/4

KNOCKOUTS SIDES CONC.

STD PKG

APPROX. WT.LBS. PER 100

CUBIC INCH CAP.

72151-1/2 & 3/4

1-1/2

3

2

12 -1/2 & 3/4 Conc

25

88

29.5

72171-1/2 & 3/4

2-1/8

3

2

12 1/2 & 3/4 Conc

25

118

44.0

72171-3/4 & 1

2-1/8

3

2

8-3/4 & 1 Conc

25

118

44.0

72171-1 & 1 1/4

2-1/8

3

2

6-1 & 1 1/4 Conc

25

118

44.0

72171-1/2. 3/4. 1

2-1/8

3

2

4 (1/2 x 3/4)
4 (3/4 x 1)

25

118

44.0

4 11/16" Square Extension Ring with Concentric Knockouts

ARC-CO NO.

DEPTH

KNOCKOUTS SIDES CONC.

STD.PKG.

APPROX. WT. LBS. PER 100

CUBIC INCH CAP.

73151-1/2 & 3/4

1-1/2

12-1/2 & 3/4 Conc

25

76

29.5

73171-1/2 & 3/4

2-1/8

12-1/2 & 3/4 Conc

25

96

44.0

73171-3/4 & 1

2-1/8

8-3/4 & 1 Conc

25

96

44.0

4 11/16" Square Box Surface Covers
 1/2" Raised

ARC-CO. NO.

DESCRIPTION

CODE

WT. PER C.

ST. PK.

72-B

 Blank

(B)

51

25

72-T

 1 Toggle Switch

(T)

49

25

72-D

 1 Duplex Rec.

(D)

49

25

72-S

 1 Standard Single Rec.(1 3/8" D.)

(S)

49

25

72-3R

 1 Oversize Single Rec.(1 5/8"D.)

(3R)

46

25

72-3330R

 1 Oversize Single Rec. (1 23/32" D.)

(3330R)

46

25

72-5R

 1 30 50-60 Amp. Rec. (2 7/16" D.)

(5R)

52

25

72-30D

 1 30-50 Amp. 3 wire 1-Rec. (2 1/8" D.)

(30D)

56

25

72-2T

 2 Toggle Switches

(T)

49

25

72-2S

 2 Single Rec. (1 3/8" D.) 2" Centers

(S)

47

25

72-2D

 2 Duplex Receptacles

(D)

46

25

72-23R

 2 20 Amp. 4 Wire twist lock(1 5/8 D.) 2 1/8 C.

(3R)

58

25

72-TD

 1 Toggle Switch & 1 Duplex Rec.

(T) (D)

48

25

72-TS

 1 Toggle Switch & 1 Single Rec.

(T) (S)

49

25

72-DS

 1 Duplex Switch & 1 Single Rec.

(D) (S)

55

25

72-D30D

 1 Duplex & 1 30-50 Amp. 3 wire single (2 1/8" D.)

(D) (30D)

56

25

4 11/16" Raised Square Box Cover-Solid Partition

ARC-CO NO.

STD. PKG.

APPROX. WT.
LBS. PER 100

HG72C17D

25

50

HG72C17S

25

45

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Arc-Co Electrical Boxes & Fittings
A Division of Arcade Technology

PO Box 4085 • Bridgeport, CT 06607
Phone: 203-366-3874
Fax: 203-576-1934
e-mail: arcade@snet.net