Cut Sheet

4000S Series Connectors
Application
• To ground and secure EMT raceways to boxes and enclosures.
Features
• Heavy steel walls.
• Concretetight when taped.
• Pre-set/pre-staked set screws.
• Male hub threads — NPS.
• Available with insulated throat.
• Three-way combination screws 1/2" thru 1".
• Slotted hexhead screw 1-1/4" thru 4".
• Insulated throat connector rated 90 °C.
Material/Finish
• Steel/zinc plated
Certifications and Compliances
• UL Standard: 514B
• UL Listed: E14895, E14815
• CSA Standard: C22.2 No. 18.3
• cUL Listed: E14895
• CSA Certifi ed: 028507
• NEMA: FB-1
Trade Size
(Inches)
Catalog
Number
Insulated Throat
Catalog Number
Dimensions in Inches/Millimeters
Weight Lbs./Kgs.
Per 100
Body Length Maximum Diameter Thread Length
1/2 4050S 4050ST 1.03/26.2 0.84/21.3 0.44/11.2 10.00/4.54
3/4 4075S 4075ST 1.09/27.7 1.08/27.4 0.44/11.2 15.00/6.80
1 4100S 4100ST 1.19/30.2 1.31/33.3 0.44/11.2 23.00/10.43
1-1/4 4125S 4125ST 1.75/44.5 1.69/42.9 0.56/14.2 42.00/19.05
1-1/2 4150S 4150ST 1.94/49.3 1.94/49.3 0.56/14.2 53.00/24.04
2 4200S 4200ST 2.19/55.6 2.38/60.5 0.63/16.0 75.00/34.02
2-1/2 4250S 4250ST 2.38/60.5 3.13/79.5 0.88/22.4 130.00/58.97
3 4300S 4300ST 2.88/73.2 3.75/95.3 0.88/22.4 230.00/104.33
3-1/2 4350S 4350ST 3.00/76.2 4.25/108.0 1.00/25.4 250.00/113.40
4 4400S 4400ST 3.19/81.0 4.75/120.7 1.00/25.4 250.00/113.40
4050S — 4100S
4125S — 4400S
Commercial Products
COMMERCIAL PRODUCTS: EMT FITTINGS
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© September 2010
1581
Steel EMT Set Screw Connectors