ok cheers mate i appreciate the help also in the case of hps ballasts if one was to ""blow"" it would just spark abit right no actualy flames? so if i had a shelf on walll of growroom and covered the shelf with say a thing paving slab cut to size it would keep it fire safe?


also im sorry im not amp litarate lol so basicly it should be fine right? mmm saying plug one into a seprate ground line for less amps mmmmm should i just leave the dvd player out the socket? i dotn really use it much and got another downstairs anyway ...woudl that be better?

found out heat mats r about 3-5amp
thinks tv is about 5 amp (i think)