Polarity

Which rail carries positive and which negative. In analogue two-rail it sets the direction of travel; where two tracks of opposite polarity meet, a short circuit occurs.

Dutch

polariteit

German

Polarität

Articles using this term

• DC and AC: two-rail and three-rail explained
• Analogue or digital control?
• Mixing Märklin and two-rail: why it does not work
• Shuttle line: running back and forth without a loop
• Locomotive stalls on the frog
• The Auto-designer: layouts from your own track
• The reversing loop: how it works and how to avoid a short circuit

See also

• Short circuit
• Two-rail
• Reversing loop
• Live frog