Emerson FS and FD Cast Hub Device Boxes User Manual
FS and FD Cast Hub Device Boxes
UNILETS™ for use with Threaded Rigid Conduit and IMC. All device boxes have ridge top construction.
CEC:
Listed for Ordinary Locations
Applications
• Accommodate wiring devices such as switches and
receptacles.
• Provide excellent service in areas where boxes are subject
to rough usage.
• Serve as pull boxes for conductors.
• Permit access to conductors for maintenance.
• Provide openings for making splices.
• Allow connections for branch conduit runs.
• Blank bodies for special conduit entrance arrangements.
Features
• Weatherproof, raintight and dust-tight when used with cast
gasketed covers.
• FSandFDboxestakestandardushwiringdevices.
• FD boxes take devices exceeding 1-5/8” in depth under
fastening ears.
• Malleable iron for high tensile strength and ductility — provides
greater resistance to impact and shock.
• Both malleable iron and aluminum boxes have ridge top
constructionforpositivecover/gasket/boxt.
• Accurately tapped, tapered threads for tight, rigid joints, ground
continuity.
• Complete selection of covers, receptacles, plugs, gaskets and
accessories.
• Covers have captive stainless steel screws to speed installation,
prevent "freezing" of screws.
• Ground screw at top of box for easy access.
• Cast Hub Boxes
— Available in single, two, three and four gang and tandem.
— Smooth, rounded integral bushing in each hub protects
conductor insulation.
• FD Blank Bodies for Brazed Hubs or Drill and Tapped Entries
— Available in single, two, three and four gang boxes.
— Drill and tapped entries.
— Brazed threaded hubs for threaded conduit from 1/2” thru
1-1/2” and brazed union hubs from 1/2” thru 1-1/4.
— Smooth, rounded integral bushing in each hub protects
conductor insulation.
— Ground screw at top of box for easy access.
COMMERCIAL AND INDUSTRIAL FITTINGS: CAST DEVICE BOXES
Standard Materials
• Cast hub device boxes and boxes for drilling and tapping:
malleable iron or copperfree (4/10 of 1% max.) aluminum
• Brazed hubs: malleable iron
• Covers: malleable iron, steel, or copperfree (4/10 of 1% max.)
aluminum
Standard Finishes
• Malleable iron boxes and covers: zinc electroplate
• Aluminum boxes and covers: natural
• Steel covers: zinc electroplate
• Screws: stainless steel
Options
• Enclosures drilled for 347 Volt devices. Add suffix -347.
ridge top of Appleton™ aluminum or malleable iron device box.
CEC Certifications and Compliances
• CSA Standard: C22.2 No. 18.1
• CSACertied:001472
Reference Data
• When ordering drilled and tapped openings or brazed hubs for
blank bodies, refer to FS and FD Cast Device Boxes Drilling and
Tapping Information pages.
Gasket is designed so that it “wraps around”
Result is a positive seal against moisture.
130
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© November 2020
FS and FD Cast Hub Device Boxes
UNILETS™ for use with Threaded Rigid Conduit and IMC. All device boxes have ridge top construction.
CEC:
Listed for Ordinary Locations
Malleable Iron Aluminum
Size
1/2
3/4 1.02 (2.25) FS-2 0.34 (0.75) FS-2A
1 0.88 (1.94) FS-3 0.29 (0.64) FS-3A
1/2
3/4 1.18 (2.60) FD-2 0.42 (0.92) FD-2A
1 1.27 (2.80) FD-3 0.43 (0.94) FD-3A
1/2
3/4 0.73 (1.60) FSA-2 0.26 (0.58) FSA-2A
1/2
3/4 0.91 (2.00) FDA-2 0.30 (0.67) FDA-2A
1/2
3/4 1.09 (2.40) FSC-2 0.36 (0.80) FSC-2A
1 0.93 (2.06) FSC-3 0.32 (0.70) FSC-3A
1/2
3/4 1.27 (2.80) FDC-2 0.43 (0.94) FDC-2A
1 1.36 (3.00) FDC-3 0.45 (1.00) FDC-3A
Shallow
Deep
Shallow
Deep
Shallow
Deep
Weight kg (lb) Catalog Number Weight kg (lb) Catalog Number
0.88 (1.94) FS-1
1.22 (2.70) FD-1
0.77 (1.70) FSA-1
0.95 (2.10) FDA-1
0.95 (2.10) FSC-1
1.27 (2.80) FDC-1
Shallow
Deep
Shallow
Deep
Shallow
Deep
0.29 (0.64) FS-1A
0.41 (0.90) FD-1A
0.26 (0.57) FSA-1A
0.32 (0.70) FDA-1A
COMMERCIAL AND INDUSTRIAL FITTINGS: CAST DEVICE BOXES
0.32 (0.70) FSC-1A
0.43 (0.94) FDC-1A
1/2
Shallow
3/4 0.99 (2.20)
1/2
3/4 1.13 (2.50) FSCT-2 0.38 (0.84) FSCT-2A
1 1.02 (2.25) FSCT-3 0.34 (0.75) FSCT-3A
1/2
3/4 1.27 (2.80) FDCT-2 0.43 (0.94) FDCT-2A
1 1.41 (3.10) FDCT-3 0.47 (1.03) FDCT-3A
1/2
3/4 1.04 (2.30) FDD-2 0.35 (0.77) FDD-2A
3/4 Shallow 1.06 (2.34) FSL-2 Shallow 0.35 (0.78) FSL-2A
Use FD Unilets™ for wiring devices exceeding 1-5/8” in depth under fastening ears.
Shallow
Deep
Deep
0.77 (1.70) FSCC-1
1.13 (2.50) FSCT-1
1.36 (3.00) FDCT-1
0.99 (2.20) FDD-1
FSCC-21
Shallow
Shallow
Deep
Deep
0.26 (0.57) FSCC-1A
0.34 (0.74)
0.38 (0.84) FSCT-1A
0.45 (1.00) FDCT-1A
0.34 (0.74) FDD-1A
FSCC-21A
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© November 2020
131
FS and FD Cast Hub Device Boxes
UNILETS™ for use with Threaded Rigid Conduit and IMC. All device boxes have ridge top construction.
CEC:
Listed for Ordinary Locations
Malleable Iron Aluminum
Size
Weight kg (lb) Catalog Number Weight kg (lb) Catalog Number
1/2
3/4 0.82 (1.80) FSS-2 0.27 (0.60) FSS-2A
1/2
3/4 1.06 (2.33) FST-2 0.35 (0.78) FST-2A
1 Deep 1.45 (3.20) FDT-3 Deep 0.49 (1.07) FDT-3A
1/2
3/4 1.06 (2.34) FSX-2 0.35 (0.78) FSX-2A
1/2
3/4 1.36 (3.00) FDX-2 0.48 (1.06) FDX-2A
1 1.59 (3.50) FDX-3 0.53 (1.17) FDX-3A
Dimensions in Millimeters (Inches)
Shallow
Shallow
Shallow
Deep
69.9
(2.75)
0.82 (1.80) FSS-1
1.12 (2.46) FST-1
1.25 (2.75) FSX-1
1.41 (3.10) FDX-1
Shallow
Shallow
Shallow
Deep
0.27 (0.60) FSS-1A
0.37 (0.82) FST-1A
0.41 (0.91) FSX-1A
0.47 (1.03) FDX-1A
COMMERCIAL AND INDUSTRIAL FITTINGS: CAST DEVICE BOXES
132
83.3
(3.28)
47.8
(1.88)
82.6
(3.25)
109.5
(4.31)
FS and FD Single Gang Devices
D
Hub Size A B C
1/2 0.3 (0.75) 0.3 (0.63) 0.6 (1.38) 0.9 (2.00) 1.3 (2.75) 0.6 (1.38)
3/4 0.3 (0.75) 0.3 (0.75) 0.6 (1.38) 0.9 (2.00) 1.3 (2.75) 0.6 (1.38)
1 0.4 (0.88) 0.4 (0.88) 0.8 (1.25) 0.9 (2.00) 1.3 (2.75) 0.6 (1.38)
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© November 2020
EFS FD
FS and FD Cast Hub Device Boxes
UNILETS™ for use with Threaded Rigid Conduit and IMC.
CEC:
Listed for Ordinary Locations
Description
Single Gang Covers — Furnished with stainless steel screws less gasket
Blank Cover, Steel — Zinc Electroplate 5.44 (12.00)
Round Receptacle Cover, Steel — Zinc Electroplate
Hole dia. 1-7/16"
Duplex Receptacle Cover, Steel — Zinc Electroplate 4.54 (10.00)
Round Receptacle Cover, Steel — Zinc Electroplate
Hole dia. 1-5/8"
Tumbler Switch Cover, Steel — Zinc Electroplate 5.44 (12.00)
Tumbler Switch Cover, Steel — Zinc Electroplate 9.98 (22.00)
For pilot lamp
Red Jewel
Amber Jewel
Green Jewel
Opal Jewel
Weight Per 100
kg (lb)
5.44 (12.00)
5.44 (12.00)
11.34 (25.00)
Catalog
Number
FS-4
FS-5
FS-6
FS-8
FS-9
FSK-1TS-G
FSK-1J
FSK-1JA
FSK-1JG
FSK-1JO
COMMERCIAL AND INDUSTRIAL FITTINGS: CAST DEVICE BOXES
Available in Aluminum: Add suffix -A to Catalog Number.
Also for use with multiple gang Unilets with individual cover openings.
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© November 2020
133
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