I agree that it sounds like a lot of added complexity, but most wire and switch ampacity ratings are based on not heating up enough to cause a fire, as opposed to minimizing voltage drop, which may be the objective. I wired up a cheap Chinese 12 volt compressor cooler/refrigerator on my Florida boat last winter, and was dismayed by how much heating and voltage drop I was getting from the brand new crimped connectors I was using. Boat still has the original panel, and the connections in there were series short jumpers from fuse to fuse, which was not good either and I wound up having to use a voltage booster to get the thing to start reliably. 14 gauge wire and associated connectors should have been ok for 5 amps, but once again the insulated crimp connectors and tools just didn't work for me. The commonly available aftermarket stuff is junk in my experience.
---- John Pennie via CnC-List <cnc-list@cnc-list.com> wrote: It’s not that high of a load Ed. How much does your refrigerator draw? It just sounds like overkill. John Sent from my iPhone > On Nov 20, 2017, at 5:38 PM, Edd Schillay via CnC-List > <cnc-list@cnc-list.com> wrote: > > Listers, > > As it is wired now (probably by the previous owner), the only way to switch > on the refrigerator on the Enterprise is to open up the Ship’s Circuits panel > and flip on the circuit breaker deep inside. As the fridge is high amps, I > can understand the need to go through extra steps to turn it on or off, but I > was looking to do something more convenient. > > So here’s the plan: > > Since the compressor itself is located in a locker adjacent to the galley, I > was thinking of putting a flip-open-covered blue LED push button latching > ON-OFF switch in the galley, which would then activate a relay, which, when > the button is pressed, would connect the positive lead to the fridge > compressor. > > Here is the switch: > https://www.amazon.com/gp/product/B00EJWVBPS/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1 > > > Here is the cover: > https://www.amazon.com/gp/product/B00TK0WFEA/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1 > > > It looks like the switch can handle the loads without burning out, but I > think I’m best off getting a relay as well. I like the idea of the cover so > it can’t accidentally be bumped into, turned on and drain the battery during > a long day of sailing. > > Any thoughts? Sound like a good plan? Am I missing something? > > > All the best, > > Edd > > > Edd M. Schillay > Starship Enterprise > C&C 37+ | Sail No: NCC-1701-B > City Island, NY > Starship Enterprise's Captain's Log > > > > > > > > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
