Cut Sheet
Table Of Contents
Applications
• For use with liquidtight fl exible metal conduit subjected to
fl exure, vibration, motion, or strain. “STB” Type connects to
threaded hubs. “STN” Type is for connections to sheet metal
enclosures. Female ST Type connects to threaded rigid conduit
and IMC.
Features
• Unique long ferrule with more pronounced threads provides
over four times UL pull-out requirements.
• Ferrule also provides maximum surface contact for better
sealing and a continuous, permanent, positive metal-to-metal
ground.
• Stainless steel wire mesh prevents pull-out of fl exible
conduit from fi tting and alleviates fl exing stress at liquidtight
connection.
• Insulated throat (STB and STN Series) protects against wire
damage.
• STN Type has space-saving hex hub wedge adapter that
fi ts nearly fl ush against inside walls of enclosures, providing
maximum wiring room.
• Liquidtight/raintight/oiltight.
• Suitable for wet locations.
• STB Series has full, machined tapered threads (NPT).
Standard Material/Finish
• Straight STB, STN, and Female ST connectors: 3/8" thru 1” are
steel, 1-1/4" and over are malleable iron
• 45° and 90° connectors: all sizes are malleable iron
• Ferrule: 3/8" thru 1” are steel; 1-1/4" and over are aluminum
• Wire mesh: stainless steel
• Steel: zinc electroplate
• Malleable iron: zinc electroplate, chromate and epoxy powder
coat/zinc electroplate
Certifications and Compliances
• UL Standard: 514B
• UL Listed: E14814
• CSA Standard: C22.2 No. 18.3
• CSA Certifi ed: 065178
• NEMA: FB-1
Liquidtight Flexible Metal Conduit Connectors with Wire Mesh Strain Relief
For Liquidtight Flexible Metal Conduit. STB, STN, and Female ST Types.
Suitable for use in Class I, Division 2
STD Conduit Thread Size
Flexible Conduit Size
(Inches)
NPT
Size
3/8 1/2
1/2 1/2
3/4 3/4
11
1-1/4 1-1/4
1-1/2 1-1/2
22
2-1/2 2-1/2
33
Dimensions
A
C
B
A
C
D
B
A
C
D
B
Commercial Products
COMMERCIAL PRODUCTS: LIQUIDTIGHT CONDUIT FITTINGS
Visit our website at www.appletonelec.com or contact us at (800) 621-1506.
© January 2011
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