Page 342 - PUC 2017 Master Catalog
P. 342
NEMA STANDARD PAD CONFIGURATIONS
These figures show the arrangements of 9/16” bolt holes which are
standardized for electrical power connectors under NEMA Standard CC1.
1" Min.
3" 4"
5 /8" 1 /4" 5 /8" 1 /8" 1 /4" 1 /8"
3
1
3
1
5 /8"
1
1 /8"
3
1 /4"
3"
3
4 " 1 /4"
5 /8"
1
1 /8"
Penn-Union Penn-Union
Standard Suffix Standard Suffix Penn-Union
–D –F
Standard Suffix
–E
5" 6"
1
1 /8"
1 /4"
3
4 "
1
3
3
3 /4" 1 /4" 1 /4" 3 /4" 1 /8" 1 /4" 1 /4" 1 /4" 1 /4"
3
1
1
3
Penn-Union Penn-Union
Standard Suffix Standard Suffix
–G –H
STUD SIZE CHART (INCHES)
Standard Stud Size #2 #4 #5 #6 #8 #10 1/4” 5/16” 3/8” 7/16”
Stud Size Decimal .086” .112” .127” .138” .164” .190” .250” .312” .375” .438”
Equivalent
Terminal Hole Diameter .090” .118” .130” .147” .173” .204” .270” .343” .392” .456”
.406”
Standard Stud Size 1/2” 5/8” 3/4” 7/8” 1”
Stud Size Decimal
Equivalent .500” .625” .750” .875” 1.00”
Terminal Hole Diameter .531” .656” .810” .906” 1.031”
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