Lights
Markings
Signs
Airfield vault
100

Omni-directional, aviation blue

What is Taxiway lights

100

Two solid yellow lines

What is Taxiway edge

100

Red sign with white numbers 

What is Runway Hold Position

100

Where is it

What is on the Airfield

200

Bi-drectional, Red and green

What is Threshold lights

200

White line

What is Centerline

200

Yellow with black letters

What is Taxiway Direction

200

Power source

What is base distribution system 

300

Bi-Directional, White

What is Edge lights

300

Two solid and two dashed yellow lines

What is VFR Hold line

300

Black with white numbers

What is Distance to go markers

300

Pushes power to lights

What is Constant Current Regulator

400

Strobes

What is Sequence Flashers

400

Repeating parallel black lines inside a rectangle

What is ILS Boundary

400

Yellow circle

What is Moon Marker

400

Voltage range

24 VDC - 5000 VAC