Chapter 1
Tropos 7320 Router Installation Guide
24
CAT B
Major feeders and short
branch circuits
• Distribution panel devices
• Bus and feeder systems in industrial plants
• Heavy appliance outlets with “short” connections to the
service entrance
• Lightning systems in commercial buildings
CAT A
Outlets and long branch
circuits
• All outlets at more than 10 m (30 ft) from Category B with
wires #14-10
• All outlets at more than 20 m (60 ft) from Category C with
wires #14-10
TABLE 4
IEEE/ANSI C62.41 Power Categories (continued)
Category
Summary
Examples