lol its hasn't hurt me yet, all jokes aside. the sockets are polarity protected, so positve and negative don't matter, As long as you wire in parallel and not series.
You need to make sure they are cool whites and not warm whites, warm whites I use for my refugium
Hot sell Gu10 Base 3x3W 9W Led Light Downlight Cool White Bulb Lamp New | eBay
blues
Gu10 3X1W High Power LED Lamp Light Blue 110V-220V 3W | eBay
sockets
10x GU10 Socket LED bulb halogen lamp light Holder base Ceramic Wire Connector | eBay
heres how I have them in my main tank and refugium
see the gu10s on the sides?
You need to make sure they are cool whites and not warm whites, warm whites I use for my refugium
Hot sell Gu10 Base 3x3W 9W Led Light Downlight Cool White Bulb Lamp New | eBay
blues
Gu10 3X1W High Power LED Lamp Light Blue 110V-220V 3W | eBay
sockets
10x GU10 Socket LED bulb halogen lamp light Holder base Ceramic Wire Connector | eBay
heres how I have them in my main tank and refugium
see the gu10s on the sides?