rgb splitters

My question is a weird one. But could it cause an issue if the 5V RGB cables have a loop in them? What I mean is as follows: You have the motherboard on which a 5V cable is plugged in to a number of slitter/cable system; and in that mess there is a connector that is plugged into this system...

So im building a pc with 7 fans inside it. 3fans from my liquidcooler and other 4 are just case fans ill be putting in. My question is I need to use a splitter and I have found a splitter that is 1 way to 4 fan splitter and I have 7 fans. So my question is if I buy it twice and I leave 1 cable...

My MoBo (MSI Z370 pc PRO) has only one 12v rgb header and 4 PWM case fan headers along with a cpu fan and a pump fan header. My case has 4 led fans preinstalled (not rgb just red led) which i have connected to the 4 fan headers on the MoBo. i have connected Cooler master hyper 410 cpu cooler...

I recently bought the MasterBox Pro 5 RGB ATX Mid-Tower case and cpu cooler Cooler Master MasterLiquid ML240L RGB. My question is, can the 3 fans on the case and the rgb pump and rgb fans all connect to one rgb header through a splitter? The reason I ask is because my motherboard, ASRock Z270...