I'm new to EE in general and I've gotten myself a bit confused. My apologies if this is a stupid question, but my research isn't helping too much.
I am working on a project to control 7 LED strips with an Arduino and MOSFETs. The strips require 12V and say they use 24W. I was hoping to find a power supply to power all 7 strips, instead of one supply per strip (seems silly).
So if, 24W = I * 12V then each strip should need 2 amps. This means, to power all 7 strips, I need a 12V 14amp power supply. I'm noticing most power supplies deal in watts for some reason, so that means I need a 12V 168W supply, maybe 200W for safety.
So, with the backstory in check, 2 questions:
1) Do my 200W power supply calculations seem correct?
2) When I find this power supply, is it safe to put 14amps at 12V through a breadboard's power rails? That seems like a lot? Seems dangerous? I really have no idea...
Thank you in advance!