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	MAIN LINE TRACK Each module must have, as a minimum, two mainline tracks constructed according to these standards that will be powered and controlled by the club power supplies at all shows. All other trackage may be designed and constructed according to the personal preferences of the builder. See the separate Recommended Practices for suggestions that will enhance operation if desired.
	RAIL Code 100 nickel silver flex track will be used for all mainline trackage. Location of Centerline (Figure 3) OUTSIDE MAIN LINE Located 4" from front edge at end of module INSIDE MAIN LINE Located 6" from front edge at end of module MINIMUM RADIUS Minimum radius for corner track sections is 36". Main lines must be level with no grades Interface Mainline tracks end 2" from the end of the module. A minimum of 3" of straight track from the end of the mainline track to the first curve in the main lines must be provided.
	TURNOUTS 1. Code 100 nickel silver rail PECO, Shinohara, Atlas Mark III are suggested brands. Other brands of similar quality and operating characteristics are also acceptable. 2. The minimum frog number is #6 (or PECO medium). #8 (or PECO large) should be used where possible, particularly for crossovers. 3. Dead frog turnouts should not be used on the outside main line. (This provides for reliable operation of short wheel base locomotives while permitting the less expensive turnouts to be used if desired for access to trackage behind the inside main line.) JOINTS & GAPS 1. All track joints within the module must be soldered. 2. All insulating joints (gaps) must be filled. ROADBED (if used) 1. Homosote, and cork are acceptable materials. 2. Other materials must provide adequate support to prevent the track from shifting under a train. Non-rigid foam roadbed is specifically prohibited. 3. Roadbed must extend to the ends of the module.
	CORNERS Corners are cut from a 4x4 foot sheet of plywood. By trimming as shown in the illustration they are easier and more feasible to load and unload for a vehicle.
	TRACK POWER WIRING Mainline track power is passed from one end of each module to the other by means of a continuous track power buss with feeder wires soldered to each rail. Connections between modules are accomplished by means of commonly available Cinch-Jones (TRW) 2-pin connectors. It is strongly suggested that color coded wire be used to simplify trouble shooting. For more complex track/wiring arrangements a wiring diagram should be affixed to the module. The following specifications must be followed. Track power Bus Wiring - #12 or #14 bus wire for each main and you must have a bus for the OAT even if you do not have OAT trackage. Drops - 18 gauge plus the Bus wires must be color coded as follows outside rail of each track shall be white or black wire, inside rail must be color coded to the main outside main red, inside main yellow and OAT blue. 1. 14 or 12 gauge. Must be run under the respective tracks and must not hang below the edge of module. 2. A 15 inch stranded 2 conductor, 18 gauge or larger, pigtail must be provided for each track at each end of the module for connection to the adjoining module.
	TRACK FEEDERS 1. 22 gauge or larger solid wire. Must be as short as possible. 2. Each rail must have a track feeder at each end of each module. 3. Each section of rail must have a track feeder. 4. Track feeder connections to the buss wires must be either soldered or made at terminal blocks. Terminal blocks Terminal blocks must be used at each end of the module for making connections between the power buss wiring, track feeders, and pigtails. Additional terminal blocks should be used as needed to keep more complex track/wiring arrangements neat and traceable. INTERFACE CONNECTORS Anderson PowerPole connectors 1. Male connector on right hand end as viewed from front of module. Female connector on left hand end. (Figure 7) 2. Large pin must be connected to outside rail of track. Small pin to inside rail. The wires must be soldered to the connector pins. 3. Connectors will be color coded with paint or plastic tape. The purpose of color coding is to make it possible to accurately and rapidly electrically connect modules together and to easily verify the connections underneath the modules in poor light. Therefore the color coding must be conspicuous and must be maintained in good condition by the module owner. a. Outside mainline - RED b. Inside mainline - YELLOW c. Optional Auxilliary Track (OAT), if used - BLUE d. Optional Signaling busses e. GREEN - Signal Status 4. Where a member's module is composed of two or more smaller modules which are always connected together, alternate connectors of the owners choice may be used for the internal connections provided that the reliability and current carrying capacity are equivalent to the Cinch-Jones connectors specified here. The wires must be soldered to the connector pins.

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