Cut Sheet

Aluminum Three-Piece Couplings
Explosion-Proof, Dust-Ignition-Proof
EXFU
Precision machined
threads
Unique
concentric
ring design
Smooth
conduit
stops
EXMU
EXMU
Copper-free
aluminum
Application
Unions are used as connecting
elements between enclosures,
fittings or boxes that permit
future changes to the system
in both hazardous and
non-hazardous areas
Features
Copper-free* aluminum provides
increased corrosion resistance
Precision cast and machined
surfaces permit safer
wire pulling
Precision NPT threaded
hubs allow trouble-free field
installation for rigid or
IMC conduit
Clear UL, CSA and cubic
content markings speed
approval by inspectors
Unique concentric ring design
insures critical flame path control
Standard Materials
Die cast aluminum alloy A360
with less than .004 copper
content (copper-free)
EXMU nipples
are galvanized steel
Standard Finish
Aluminum lacquer finish
Listings/Compliances
UL Listed
CSA Certified
Suitable for hazardous locations
Federal Spec W-C-586
CI.I, Div. 1 & 2, Groups C, D
CI.II, Div. 1, Groups E, F, G
CI.III, Div. 1 & 2
NEMA 3, 4, 7 CD, 9 EFG
Explosion-Proof
Dust-Ignition-Proof
Raintight
Wet Locations
Sample Specifications
Conduit unions for hazardous
locations shall be die cast
copper-free* aluminum alloy
A360. Suitable for use in
hazardous locations: Class I,
Groups C, D; Class II, Groups E,
F, G and Class III. All conduit
stops shall be coined and free
of rough edges. Conduit unions
shall be finished with aluminum
lacquer. Conduit unions shall
be Thomas & Betts
®
Catalog
No. __________
*Less than .004 copper content.
EXFU
Male and Female Unions
Female to Female
CAT. NO.
HUB SIZE UNIT QTY. STD. PKG. WT. LBS. PER 100
EXFU-1
1
2" 5 25 24
EXFU-2
3
4" 5 25 33
EXFU-3 1" 5 25 42
EXFU-4 1
1
4" 5 25 53
EXFU-5 1
1
2" 5 25 68
• EXFU-6 2" 2 10 130
• EXFU-8 3" 1 5 310
• EXFU-9 3
1
2" 1 5 340
• EXFU-10 4" 1 374
Male to Female
CAT. NO.
HUB SIZE UNIT QTY. STD. PKG. WT. LBS.PER 100
EXMU-1
1
2" 5 25 24
EXMU-2
3
4" 5 25 35
EXMU-3 1" 5 25 45
Made to order items. Consult factory for lead time and minimum quantities.
A-80
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
Tel: 888.862.3289
www.tnb.com