GE AF-600 Installation And Start-Up Instructions Manual page 25

DEH40635
Table 54.2 , Tightening torque for slotted head screws
smaller than No. 10 intended for use with 8 AWG or
smaller conductors
Slot length of screw
a
<5/32
5/32
3/16
7/32
1/4
9/32
Above 9/32
a
For slot length of intermediate values, torques
pertaining to next shorter length shall be utilized. For
screws with multiple tightening means, the largest
torques value associated with the conductor size shall be
marked. Slot length shall be measured
b
Slot width is the nominal design value
Table 54.3 , Tightening torque for socket
head screws
Socket size across flat
in inches
1/8
5/32
3/16
7/32
1/4
5/16
3/8
1/2
9/16
Tightening torque, lb.in
Slot width
of screw
Slot width of screw
b
smaller than 0.047 in
7
7
7
7
9
-
-
Tightening torque in
lb.in
45
100
120
150
200
275
375
500
600
25
b
0.047 in
and
larger
9
12
12
12
12
15
20
AN 12-1007 Rev.02, 04/04/2012