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[quote]QUOTE: Originally posted by platypus WHY do i need plastic railjoiners and insulfrogs and stuff like that? [/quote] well certain sections of the track (IE reversing loops, certainc rossovers, ect) would require it to keep shorts from happening. another reason is if you have to many amps going on the track (IE you have a 2 amp sytem and are trying to run 12 loco's on it), you'd rather block it and have a seperate power booster for each section to increase the number of trains you could run at once. Jay
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