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MN014011EN January 2020 eatoncanada.ca
Appendix
Table 3. Wire Bending Space Requirements for Cable
Sizes
wire size
(awG)
Main Circuit breaker
interior
(in / mm)
Main Lug interior
(in / mm)
#3
2” / 51
2” / 51
#2
2.5” / 64
2.5” / 64
#1
3” / 76
3” / 76
#1/0
5” / 127
5” / 127
#2/0
6” / 152
6” / 152
3/0
6.5” / 165
6” / 152
4/0
7” / 178
6” / 152
250MCM
8” / 203
6.5” / 165
Table 4. Wire Bending Space Requirements for
Cable Sizes
bolt size
torque
(inch pounds)
torque
(foot pounds)
torque
(newton Meters)
#10
30
2.5
3.4
¼”
65
5.4
7.3
5
/
16
”
130
10.8
14.7
3
/
8
240
20
27.1
½”
600
50
67.8
National Electrical Code and NEC are registered trademarks of the National Fire Protection Association,
Quincy, Mass. UL is a federally registered trademark of Underwriters Laboratories Inc. NEMA is the registered
trademark and service mark of the National Electrical Manufacturers Association. Canadian Electrical Code, CEC,
and CSA are registered trademarks of the CSA Group, Toronto, Ontario.
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