Difference between UL 508 and 61131-2?

[tofukid]

Does anyone know the difference between UL 508 and UL 61131-2?

Is UL 508 just for motors or can it refer to a lighting system without any motors?

 

[mcgyvr]

http://ulstandardsinfonet.ul.com/scopes/scopes.asp?fn=0508.html

http://ulstandardsinfonet.ul.com/scopes/scopes.asp?fn=61131-2.html

No.. 508 is not for a lighting system without motors.