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Some of the early TMCC control boards were designed for 10 amps or less.  Unfortunately dead short derails tended to be more destructive.  I reduced track power with 8 amp inline fuses to protect equipment.   My power supply is a parallel set of Lionel PH135.  The parallel thermal cut-outs put power output at 15 amps, a bit much.   Cutouts/protection has gotten better over the years, but demand for more power is still there. 

Small accessories, that don't involve track power, I fuse at 3 amps or less.  

Track power fuses.  Top center of picture, (8) circuits.  (8 amp fuses)

Last edited by Mike CT

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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