FS and FD Cast Device Boxes: SingleGang; Malleable Iron, AluminumUNILETS® for use with Threaded Rigid Metal Conduit and IMC. FS Box2.00" Deep, FD Box 2.69" Deep. Furnished with Internal Ground Screw.

Type Depth

Hub Catalog NumberSize Malleable Iron Aluminum(Inches) Ridge Top Ridge Top

FS

FD

Shallow

Deep

1/23/41

1/23/4

FS-1-50FS-1-75FS-1-100

FD-1-50FD-1-75

FS-1-50-AFS-1-75-AFS-1-100-A

FD-1-50-AFD-1-75-A

FSC

FDC

Shallow

Deep

1/23/41

1/23/4

FSC-1-50FSC-1-75FSC-1-100

FDC-1-50FDC-1-75

FSC-1-50-AFSC-1-75-AFSC-1-100-A

FDC-1-50-AFDC-1-75-A

FSS

FDS

Shallow

Deep

1/23/4

1/23/41

FSS-1-50FSS-1-75

FDS-1-50FDS-1-75FDS-1-100

FSS-1-50-AFSS-1-75-A

FDS-1-50-AFDS-1-75-AFDS-1-100-A

FSLA Shallow 1/2 FSLA-1-50

Effective October, 2001Copyright 2001 Printed in U.S.A. Appleton

7770 N. Frontage RoadSkokie, Illinois 60077

PAGE 3

B-2FS and FD Cast Device Boxes:Malleable Iron, AluminumUNILETS® for use with Threaded Rigid Conduit and IMC.All Device Boxes have Ridge Top Construction.

B

Applications• Accommodate wiring devices such asswitches and receptacles.• Provide excellent service in areas whereboxes are subject to rough usage.• Serve as pull boxes for conductors.• Permit access to conductors for main-tenance.• Provide openings for making splices.• Allow connections for branch conduitruns.• FS and FD blank bodies—for specialconduit-entrance arrangements.Features: All FS and FD Boxes• Corrosion-resistant—ideal for indoorand outdoor installations.• Weatherproof, raintight and dust-tightwhen used with cast gasketed covers.• FS and FD boxes take standard flushwiring devices.• FD boxes take devices exceeding1-5/8" in depth under fastening ears.• Malleable iron for high tensile strengthand ductility—provides greater resist-ance to impact and shock.• Both malleable iron and aluminumboxes have ridge top construction forpositive cover/gasket/box fit.• Accurately tapped, tapered threads fortight, rigid joints, ground continuity.• Complete selection of covers, recep-tacles, plugs, gaskets and accessories.• Covers have captive stainless steelscrews to speed installation, preventsloss of screws.• Internal grounding screws standard.Features: Cast Hub BoxesO Available in single, two and threegang and tandem.• Smooth, rounded integral bushing ineach hub protects conductor insulation.Features: FOB Blank Bodies forDrilling and Tapping©Available in single, two and threegang boxes.• Drilling and tapping from 1/2" thru1-1/2" .• Minimum engagement of 3-1/2threads.• With mounting lugs.• FDB-2GL and FDB-3GL can also bedrilled and tapped in back of box (wallopposite cover).

Single Gang shown.

Features: FS & FD BlankBodies for Brazed HubsO Available in single, two, three and fourgang boxes.• Brazed threaded hubs for threadedconduit from 1/2" thru 1-1 /2" and brazedunion hubs from 1/2" thru 1-1/4.• Smooth, rounded integral bushing ineach hub protects conductor insulation.Standard Materials• Cast Hub Device Boxes and Boxes forDrilling and Tapping: malleable iron orcopper-free (4/10 of 1% max.) alu-minum.• Brazed Hubs: malleable iron.• Covers: malleable iron, steel, or cop-per-free (4/10 of 1% max.) aluminum.Standard Finishes• Malleable Iron Device Boxes: triple-coat—(1) zinc electroplate, (2) dichro-mate, and (3) epoxy powder coat.• Aluminum Device Boxes: epoxy pow-der coat.

Gasket is designed so that it wraps aroundridge top of Appleton aluminum or malleableiron device box. Result is a positive sealagainst moisture.

Q Blank Bodies for Drilling^and tapping. FDB-3L shown.

! Blank Bodies for Brazed Hubs.FS-2G shown.

• Malleable Iron Covers with Gaskets:triple-coat—(1) zinc electroplate, (2)dichromate, and (3) epoxy powder coat.• Steel Covers: zinc electroplate.• Aluminum Covers: epoxy powder coat.Compliances• UL Standard: 498 and 514A.• U.S. Federal Specification W-C-586B.• Appleton malleable iron products con-form to ASTM A47-77, Grade 32510,which has the following properties: ten-sile strength, 50,000 psi; yield, 32,000psi; and elongation, 10%.• Appleton aluminum products are pro-duced from a high strength copper-free(4/1 Oof 1% max.) alloy.Reference Data• When ordering drilled and tappedopenings or brazed hubs for blank bod-ies, refer to "Ordering Information"pages.

Gasket construction. Cover tightens onlargest perimeter of gasket and fits snuglyagainst portion of gasket that wraps aroundridge top of box.

Effective October, 2001Copyright 2001 Printed in U.S.A.PAGE 2

Appleton7770 N. Frontage Road

Skokie, Illinois 60077

Dimensions: FS and FD Cast DeviceBoxes; Malleable Iron and Aluminum'Single Gang and Tandem

FS and FD Single Gang Boxes without lugs.Dimensions in Inches and Centimeters

FS and FD Single Gang Boxes with lugs.Dimensions in Inches and Centimeters

3"n)

3.2(82.6I

—

5"mm

I

i 1 .88" __ |(4.8cm)

I Ir, /,-.'•. \|2H-t«-: } - <

F^-AeJ; cVjv. -,'-»V ^

i [ I N

-ti^-_2.19" __' (5.6cm)1

• —— 2.81" —— •

i

I2.81"(7.1cm)

—— I I f1 .69"(4.3cm)

¥\\,

6— 32 T

5A6"Dia

1.13"(-(2.9cm)

r<M

(7.1cm)

FS Tandem Boxes.Dimensions in Inches and Centimeters

',":m)

h£^ .16- —m ^ <Tm) n-f- --- -\

L.

9.19" T(23.i'-™\

I'-,I.

L[J-1.78"^

(4.5cm)

-2.0" _r^ (5.1cm)

4 25"(10.8C

pzz

n)

9.44"('>4.0cm)

4.25"(10.8c m)

r, „ ^

o eV- ———————— •"}

ff ———————— O\0 0

" 0 'i

I II I*^_ _ s

1.88"r (4.8cm)"*1

2.16"1 — (5.5cm)~~1

__ 2.81" __(7.4cm)

~r3.2(K.

3.25"(82.6mm)

.1

T2.94"(7.5cr

\

-\6—3212 Hole

0

— f '

4

5.(1c

w

38"3.7 ftTl)

2.81"(7.1cm)

_L

^

.25"——I K' (6.4mm)

6—32 Thrd.M.13"(2.9cm)

All cover and device screws 6—32 thread.

HubSize (In.) A B C

D"FS" "FD"

Dimensions in

1/23/41

1/23/41

5.885.886.31

14.914.916.0

1 .1 .1 .

2.3.

133869

95

4.3

.63

.75

.94

1.61.92.4

2.002.002.00

Dimensions

5.15.15.1

2.692.692.69

E

Inches

1.502.062.06

F

3.503.503.50

"FS"

1.781.781.78

G"FD"

2.442.442.44

H

1.691.501.38

in Centimeters

6.86.86.8

3.85.25.2

8.58.58.5

4.54.54.5

6.26.26.2

4.33.83.5

*Aluminum FS Boxes have same dimensions as malleable iron FS boxes.

Fraction/Decimal Equivalents (Inches)

Fraction Decimal

1 / 1 6 0.061/8 0.133/16 0.191/4 0.25

Fraction Decimal

5/16 0.313/8 0.387/16 0.441/2 0.50

Fraction Decimal

9/16 0.565/8 0.631 1 / 1 6 0.693/4 0.75

Fraction Decimal

13/16 0.817/8 0.8815/16 0.941 1.00

B Effective October, 2001Copyright 2001 Printed in U.S.A.PAGE 6

Appleton7770 N. Frontage Road

Skokie, Illinois 60077

B-26Wiring Capacity: FS and FD CastDevice BoxesCast Hub Boxes and Blank Bodies.

"UNILETS"

Single Gang

Two Gang Tandem

FD-4L

FDB-2L

FDB-3GL

FS-EXT

FS and FD Boxes with Cast Hubs: All Types

Capacity in Cubic Inches

HubSizeInches

1/23/41

Single Gang

FS FD

18.0 25.018.0 25.018.0 25.0

Two Gang

FS FD

32.0 45.032.0 45.032.0 . 45.0

Three Gang

FS FD

46.0 62.046.0 62.046.0 62.0

Two GangTandem

FS

40.040.040.0

Capacity in Cubic Centimeters1/2

3/4

1

295.0295.0295.0

409.7409.7409.7

524.4524.4524.4

737.4737.4737.4

753.8753.8753.8

1016.01016.01016.0

655.5655.5655.5

FS and FD Blank Bodies for Brazed Hubs (FDH Series)Capacity in Cubic Inches

Gangs

SingleTwoTwoThreeThreeFourFour

FSCat. No.

FS-1GLFS-2GFS-2GLFS-3GFS-3GLFS-4GFS-4GL

Cu In.Vol.

18.0

32.032.0

46.046.0

58.058.0

FDCat. No.

FD-1LFD-2G, FD-2GLFD-2LFD-3G, FD-3GLFD-3LFD-4G, FD-4GLFD-4L

Cu. In.Vol.

26.045.065.0

62.098.0

78.0130.0

Capacity in Cubic CentimetersSingle

TwoTwo

ThreeThreeFourFour

FS-1GL

FS-2GFS-2GL

FS-3GFS-3GL

FS-4GFS-4GL

295.0524.4524.4

753.8753.8950.4950.4

FD-1L

FD-2G, FD-2GLFD-2L

FD-3G, FD-3GLFD-3L

FD-4G, FD-4GLFD-4L

426.1

737.41065.2

1016.01065.91278.22130.3

FOB Bodies for Drilling and Tapping

GangsSingleTwoThreeTwoThree

Capacity in

Cat. No.FDB-1LFDB-2LFDB-3LFDB-2GLFDB-3GL

Cubic InchesCu. In.Vol.26.065.0

98.0

45.0

62.0

Capacity in

Cat. No.FDB-1LFDB-2LFDB-3LFDB-2GLFDB-3GL

Cubic CentimetersCu. Cm.Vol.

421 .1

1065.21605.9737.4

1 0 1 6 . 0FS Single Gang Extension FS Two Gang ExtensionCatalogNumber

FS-1EXT

VolumeCu. In.10.8

VolumeCu. cm.

177.0

CatalogNumber

FS-2EXT

VolumeCu. In.18.0

VolumeCu. cm.295.0

Effective October, 2001Copyright 2001 Printed in U.S.A.

PAGE 26Appleton

7770 N. Frontage RoadSkokie, Illinois 60077