This SAE Recommended Practice establishes the following criteria for electrically operated lorward warning horns on mobile construction machinery.(a) Forward warning horn performance requirements(b) Measurement technique for horn performance requirements(c) Laboratory environmental tests(d) Horn activation on the vehicle
SAE J1105-1980 history
2022SAE J1105-2022 Horn - Forward Warning - Electric - Performance, Test, and Application
2006SAE J1105-2006 Horn Forward Warning Electric Performance, Test, and Application
1989SAE J1105-1989 HORN—FORWARD WARNING—ELECTRIC—PERFORMANCE, TEST, AND APPLICATION
1980SAE J1105-1980 Horn - Forward Warning - Electric - Performance, Test, and Application, Recommended Practice September 1980 R(1989)
1975SAE J1105-1975 Horn - Forward Warning - Electric - Performance@ Test@ and Application@ Recommended Practice