Caution – GE Industrial Solutions Arc Vault Protection System User Manual
Page 48
Arc Vault™ Protection System
DEH-41483 Rev. 3
40
© 2011 General Electric All Rights Reserved
APPENDIX A. Torque Values
Table A-1 Torque Values for Low- voltage Equipment Electrical Joint Hardware other than Cable Terminals (Copper, Tin
or Silver Plated)
Hardware Size
Torque* (ft/lbs)
Standard Nut with Conical Spring
Washer or Lockwasher
1/4-20 7-10
3/8-16 25-30
1/2-13 35-40
5/8-11 45-55
*These torque values are for non-lubricated threads
CAUTION
When installing parts or components to the
compartment molded base, torque 1/4-inch screws
slowly and do not exceed 9 ft/lbs.
Table A-2—Torque Values for Cable Terminals
Wire Size
Torque* (in/lbs)
6
5
4
3
100
3
2
1
125
0
00
150
000
0000
200,000
200
250,000
300,000
350,000
400,000
250
500,000
600,000
700,000
750,000
300
800,000
900,000
1,000,000
400
1,250,000
1,500,000
1,750,000
2,000,000
500
*These torque values are for non-lubricated threads.