Mushroom Flasher

Mushroom Flashers draw attention to pertinent roadway signs and information, by flashing any traffic signal light. Ideal for a multitude of traffic warning applications, they are easy to install into the top or bottom of any traffic signal head framework. Mushroom Flashers connect to the terminal block in the signal head, meaning no extra electrical boxes or parts are required.


  • Turn any signal into a flashing signal
  • Install with ease
  • Plug and go design

Standard Features

  • Dual circuit powers alternating flashing signals
  • Neoprene gasket and locknut
  • 56 flashes per minute
  • 50% duty cycle
  • Housed in a traffic signal ornamental cap (pinnacle)
  • 15” leads with spade terminals (4)
  • In-line fuse (5 A, 250 V, Slo-Blo, ¼”x1¼”; Bussman MDL-5)
  • Complies with applicable MUTCD standards

General Specifications

Dimensions 2.8” high x 2.4” diameter
Material Cast aluminum
Finish(es) Powder coat
Color(s) Federal yellow, signal green, or black
Power 120 VAC input
Mounting 1.5” NPT

Operating Temperature: -37° C to +74° C

Humidity: 0 to 95% (non-condensing)

Weight 6.3 oz