12V Macerator Pump Power
It's a long story but I ended up with a NIB 12V macerator pump off Craigslist. I wanted 12V power by the sewer outlet for it and this is what I came up with: There was an unused 12V fused circuit o...
Forum Discussion
ralphnjoann wrote:I'll just say it again... Don't cheap on the cable! This isn't a fan or a water pump that has a predictable draw. It's a poop disposal that chops up things and pumps them out what could be a long hose, and that all takes current to keep it spinning. The long hose is going to increase the head pressures and current, and a nice big wad of TP that the pump might have trouble with might be all it takes to stall it. Use those calculators to figure your minimum ga., then go at least one size larger. This is one appliance I want to have whatever reserve it needs to get the job done.Clay L wrote:ralphnjoann wrote:
The label on my pump says it draws 16 amps. You calculation appears to be based on 20 amps. Would you plug in 16 and see what happens? I may need to increase my wire size. Thanks. BTW, where did you get the calculator program? I could use one.
I wrote the program many years ago. You can download it HERE
Thank you, Clay. I plugged in 16 amps with my 15' cable length and your program came up with 10 gauge wire. Looks like I'm good to go.
