Specification

and Homeline

Load Centers and Enclosures

General Information and Application Data

03/2007

Class CTL



Class CTL load centers are UL Listed

 Circuit breaker mounting rails have slots to accept tandem circuit

breakers, on specified load centers

 Meets paragraph 408.35 of the 2005 National Electrical Code

(NEC

)

Phasing



Load centers have distributed phase bussing

 Most branch circuit breakers can be mounted in any position

Line Lugs



All lugs suitable for 75 °C copper or aluminum wires (see Main Lugs

and Main Circuit Breaker Ratings on page 20)

 Main lugs and main circuit breaker load centers have wire binding screw

torque values on the wiring diagrams and circuit breaker labels

Neutral Assemblies



All lugs suitable for copper or aluminum wire (see Main Lugs and Main

Circuit Breaker Ratings on page 20)

 Branch neutral terminals suitable for one #14#4 AWG copper or one

#12#4 AWG aluminum wire

 Three #141/0 AWG copper or #14#6 AWG aluminum terminals

provided on 1242 circuits, 100 225 A load centers

 Suitable lugs provided on the neutrals for termination of the grounding

conductor

 All unused neutral terminals may be used to terminate bare or green

equipment grounding conductors when the load center is used as

service equipment:

 one or two #14# 12 AWG copper

 one or two #12# 10 AWG aluminum

Tandem circuit breaker mounts on rails.

Branch Circuit Breaker

Neutral assemblies accept copper or aluminum wire.