2022年12月21日 · If you have a 240 V system and a AC disconnect that is fusible. It is more advisable to connect that neutral wire and bond it to the ground lug along with the ground wire. In the event of a ground fault on the AC unit. The excess current can now travel along the neutral wire from the AC disconnect box back to the load center.

2020年7月23日 · I have a disconnect box that is on a 50 amp breaker connected to a disconnect box using 6 AWG. In order to connect my mini split system to the disconnect do I use 10 AWG wire based on the information on the label?

2020年10月2日 · I have an issue with installing a disconnect box for my 24k LG mini split condenser unit. 12/3 is coming from 20 amp double pole breaker to disconnect box with surge protection box(ICM517). I understand the ground bar cannot be used with the neutral lines. My question is how do I correctly connect the neutrals?

2021年12月29日 · What is the proper way to run wire to an AC disconnect box with new construction, knowing that there will eventually be siding on top of a rainscreen? Mockup. Here is a mockup of my wall assembly. Everything up to the 3/4" Rainscreen Strapping already exists. The siding won't be there until notably later.

2015年7月7日 · Generally the meter box, the disconnect and the main panel all need to be bonded (connected via a ground wire) to the earth ground (one or two buried ground rods or sometimes a buried metal water pipe) through a common ground wire. The actual wire to the earth ground can leave whichever box is most convenient.

2024年12月9日 · Utility service has to loop 180 degrees inside the meter box; Panel feed loops 180 degrees inside the disconnect box; Panel feed loops 180 degrees at the top of the panel; The first two might run afoul of wire bending rules, and I am pretty sure that at least the right hot wire in the disconnect is bent way too much. But even if they don't, I ...

2021年5月20日 · I have an existing AC unit that hooks up to a 3 wire 240V 30amp disconnect box serviced by a 30 amp two pole breaker. I am adding a small 120V two wire mini split AC right next to it and I would like to use the existing 240v circuit. The mini split requires a minimum 15 amp circuit with a 20amp fuse.

2020年4月10日 · The run from my AC is just under 10'. It should be protected in conduit outside the house, run to a disconnect box (fused at 30A), and from there via flex into the compressor. The cost of the wiring is negligible. The cost difference of the breakers should be 10$, maybe 20$ with markup. The labor is the expensive part.

2024年10月20日 · Weatherproof enclosures for outdoors are not meant to be penetrated on the top of the enclosure unless they are a service meter enclosure designed for a special hub on top. See the answer below regarding the NM-B cable used outdoors. You would have to pull THWN rated wire from the last J-box indoors to the disconnect if you have to pass inspection.

2023年6月16日 · I am installing a Rovsun 12,000 BTU mini-split with heat pump. The voltage range is 208V-230V. The wiring for the unit consists of L1 Black hot wire, L2 White neutral wire, and the green ground wire. How do I wire this system to supply the voltage needed without 2 …