Standards

Benchwork

Framing

3/4" Exterior Grade Five-Ply Plywood

Roadbed

1/2" Exterior Grade Five-Ply Plywood
1/2" Homasote

Track

Code

Atlas Code 55 flex and turnouts
Peco, BK Enterprises, or scratchbuilt Code 55 where necessary

Radius

15" minimum radius on main line

Electrical

12 gauge

Black, A/C - 120 Volt. Romex used where possible.
White, A/C - 120 Volt. Romex used where possible.

14 gauge solid

Red, DCC Power Bus (Detection Common). To south rail of east/west main line and branches; west rail of north/south branches.
Green, DCC Power Bus (Zone Common). To north rail of east/west main line and branches; east rail of north/south branches.
White, Switch Machine Power Bus (wound with black; connects to Rail A-red on booster).
Black, Switch Machine Power Bus (wound with white; connects to Rail B-green on booster).
White, DCC System Ground Bus.

18 gauge solid

Red, DCC Track Feeders (Detection Common). To south rail of east/west main line and branches; west rail of north/south branches.
Green, DCC Track Feeders (Zone Common). To north rail of east/west main line and branches; east rail of north/south branches.
White, LocoNet Throttle Panel Power Supply. Power bus between UP3's, UR91, etc.
White, DCC System Ground Feeders.

20 gauge

Yellow, Frog Power Supply. From switched contact of switch machine.