CP
221
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XJG Conduit Expansion Joints
With Internal Grounding
For Rigid Metal Conduit and IMC
Applications:
XJG expansion couplings are used with
rigid metal conduit and IMC:
• Without the need for an external bonding
jumper and clamps (up to 4")
• To couple together two (2) sections of
conduit subject to longitudinal movement
• In long conduit runs to permit linear
movement caused by thermal expansion
and contraction.
• On long conduit runs to prevent conduit
from buckling and ensuing circuit failures
• Indoors or outdoors where conduit
expansion occurs and there are wide
temperature ranges
• In conduit runs that cross structural
joints
• In conduit runs to prevent damage to
conduit supports such as in a building or
on a bridge
• With optional redundant visible
grounding strap
Materials and Finishes:
Body
• Steel-electrogalvanized
• Copper-free aluminum - natural
•Feraloy®iron alloy - electrogalvanized
(5" + 6" only)
Reducer
•1/2" through 1" - Steel - electrogalvanized
•1
1/4" through 6" - Feraloy®iron alloy -
electrogalvanized and aluminum paint
• Copper-free aluminum - natural
Gland Nut
•1/2" through 1" - Steel - electrogalvanized
•1
1/4" through 6" - Feraloy®iron alloy -
electrogalvanized and aluminum paint
• Copper-free aluminum - natural
Packing
• Teflon®(trademark of E.I. DuPont Co.)
Washer
• Steel - electrogalvanized
• Copper-free aluminum - natural
Gasket
• Vellum
Bushing
•1/2" through 1" - Steel - electrogalvanized
•1
1/4" through 6" - Feraloy®iron alloy -
electrogalvanized and aluminum paint
• Copper-free aluminum - natural
Ground Springs
• Phosphor bronze - electrogalvanized
Ground Strap
• Braided tinned copper
U-Bolts
• Malleable iron – electrogalvanized
Patented Design
XJG – For use with rigid metal conduit and IMC
Conduit
Size
Maximum
Conduit
Movement Cat. #
Optional
Bonding
Jumper†
A
Diameter
B
Length
Bonding
Jumper
Length
1/24XJG14 BJ14 1.75 6.75 20"
8XJG18 BJ18 1.75 10.75 30"
3/44XJG24 BJ24 2.12 6.75 20"
8XJG28 BJ28 2.12 10.75 30"
14XJG34 BJ34 2.43 7.25 20"
8XJG38 BJ38 2.43 11.25 30"
11/44XJG44 BJ44 3.19 7.56 24"
8XJG48 BJ48 3.19 11.56 30"
11/24XJG54 BJ54 3.68 7.87 24"
8XJG58 BJ58 3.68 11.87 30"
24XJG64 BJ64 4.75 8.25 24"
8XJG68 BJ68 4.75 12.25 30"
21/24XJG74 BJ74 4.87 9.31 24"
8XJG78 BJ78 4.87 13.31 36"
34XJG84 BJ84 5.37 10.00 30"
8XJG88 BJ88 5.37 14.00 36"
31/24XJG94 BJ94 6.62 9.81 30"
8XJG98 BJ98 6.62 13.81 36"
44XJG104 BJ104 6.62 9.81 30"
8XJG108 BJ108 6.62 13.81 36"
58 XJ128‡ — 7.64 15.50 —
68 XJ148‡ — 9.56 16.00 —
†XJG expansion couplings use a metallic bushing and ground springs to create a high integrity internal ground connection.
External ground straps offer a redundant ground path and easy visible indication of ground
‡XJ128 and XJ148 are not internally grounded. A pair of 36" bonding jumpers are provided with fitting.
Options:
Description Suffix
Available in copper-free aluminum SA
Not available on 5" and 6" sizes
Hot dipped galvanized HDG
Available with redundant† ground
strap for visible indication of
grounding – order separately
(BJ Series)
Size Ranges:
•1/2" through 6" conduit size
• 4" and 8" maximum conduit movement
Certifications and
Compliances:
• UL Standard: 514B
• CSA Standard: C22.2 No. 18
• NEC Articles 250-77 and 300-7 (b)
• NEMA FB1
• Wet Locations
Dimensions
In Inches:
XJG shown with optional
bonding jumper
Wet Locations
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