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Wire Size for Unit
Connection
2
AWG, kcmil (mm
)
18--10
(0.82--5.3)
8
(8.4)
6--4
(13.3--21.2)
3
(26.7)
2
(33.6)
1
(42.4)
1/0--2/0
(53.5--67.4)
3/0--4/0
(85.0--107.2)
250--350
(127--177)
400
(203)
500
(253)
600--750
(304--380)
800--1000
(406--508)
1250--2000 (635--1016)
* For values of slot width or length not corresponding to those specified, select the largest torque value associated with the conductor size.
Slot width is the nominal design value. Slot length is to be measured at the bottom of the slot.
Note: If a connector has a clamp screw such as a slotted, hexagonal head screw with more than one means of tightening, test the
connector using both applicable torque values.
Figure 1-4 Tightening Torque for Screw-Type Pressure Wire Connectors
XP-6341 6/10
Slot Head 4.7 mm (No. 10) or Larger*
Slot Width <1.2 mm (0.047 in.)
Slot Length <6.4 mm (0.25 in.)
2.3 (20)
2.8 (25)
4.0 (35)
4.0 (35)
4.5 (40)
—
—
—
—
—
—
—
—
—
Tightening Torque, Nm (in. lb.)
Slot Width >1.2 mm (0.047 in.)
Slot Length >6.4 mm (0.25 in.)
4.0 (35)
4.5 (40)
5.1 (45)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
—
Hexagonal Head—External
Drive Socket Wrench
Split-Bolt
Other
Connectors
Connections
9.0
(80)
8.5
(75)
9.0
(80)
8.5
(75)
18.6
(165)
12.4 (110)
31.1
(275)
16.9 (150)
31.1
(275)
16.9 (150)
31.1
(275)
16.9 (150)
43.5
(385)
20.3 (180)
56.5
(500)
28.2 (250)
73.4
(650)
36.7 (325)
93.2
(825)
36.7 (325)
93.2
(825)
42.4 (375)
113.0 (1000)
42.4 (375)
124.3 (1100)
56.5 (500)
124.3 (1100)
67.8 (600)
Section 1 General
11
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