NULITEs are manufactured to fit all standard 2 1/4" and 3 1/8" instruments. Different instruments have knobs or adjustment points and therefore different models of NULITEs are available. NULITE part numbers describe the size, voltage, and special features needed to fit all round instruments.

LW 30 14 A
Light Wedge    Size           Voltage   Left-hand cutout

20: 2 1/4 Round Instrument
30: 3 1/8 Round Instrument

05: 5 Volt
14: 14 Volt
28: 28 Volt

A: Indicates lower left-hand cutout (as seen from pilot’s viewpoint).

B: Indicates lower right-hand cutout.

AA: Indicates special cutout on left side. Designed for Altimeters and VSI.

AB: Indicates a special unit for the Century 1 turn and bank. It has both lower left and right cut outs.