Hi securespark - no, the terminals are not marked. There is merely a circuit diagram printed on the ballast which shows one cable connected to the input of the ballast and the output connected to the main circuit of the light fitting. The ballast has a terminal block with two connections. Which...
Thanks for your reply. I should explain a little further: There are several fluorescent light fittings in the house where I live [in Thailand] and some of the ballasts are wired to the live wire and some to the neutral wire. I am going to make some changes to the electrical system here soon and...