I
IRISH
Guest
I bought some light timers and i am not sure how to use them. (prolly just to high), They are called INTERMATIC, 15 Amp, They have 4 trippers,2 green, 2 red. OK, do i just put a green in 'time on' slot, and a red in 'time off' slot? Where do the other 2 go? Are they just extras'? Also, they are 2-prong. Will it hurt my 400W HPS to add a conversion plug(3-prong to a 2-prong?