Installing a NEW AC disconnect

In this video we explain how and why we chose the wire size we did and the size of the disconnect. Hope you find the information useful. I read and respond to all comments.
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AC Disconnect
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[@izzy3355]

Great info and easy to follow...looking forward to seeing more great videos from an actual electrician. New subbie!

[@YourFloridaElectrician]

Thank you for watching and following newbie subbie.

[@electricalron]

The minimum circuit ampacity is 35. Therefore, #10 AWG is not large enough to carry the full 35 amps. # 8 AWG is more expensive but is the right size conductor for this application. The maximum overcurrent device (circuit breaker) is 50 and should be sized accordingly. Obviously, the HVAC guy gave you bad information.

[@YourFloridaElectrician]

Hey electrician, Ron, good feedback.
The nameplate I used was off of a four head mini split that was existing on the house . 100% that is 35 A minimum circuit ampacity. I didn’t yet have the new mini split unit for the addition which was about half the size of the existing one. Now installed I should post what that nameplate was and I’m sure the number 10 wire has plenty of ampacity for it. It wasn’t clear in the video that the nameplate I was looking at was the existing unit not the one I was wiring for. I only use that nameplate because I didn’t have the new AC unit nameplate yet . But good and I appreciate you and the feedback!! 🙂

[@carlosh448]

Is the disconnect breaker it’s compatible with aluminum-copper ? I have 19702 home that need disconnect on my water heater ?

[@YourFloridaElectrician]

Here is what I found off of the home depot link to this item:
Highlights
- Used to disconnect power from an air conditioning unit
- Features a metallic enclosure for outdoor use
- Puller type with no fuse
- Compatible with copper or aluminum lug wire range 14-3
- ANSI certified and UL listed
I would imagine it's good for aluminum or copper as stated above.
Thanks for watching and commenting!

[@carlosh448]

@@YourFloridaElectrician thanks for the reply ! so the aluminum is 8 Awg and copper load to the water heater need 10 awg to connect the disconnect. my question the size the awg difference would compromise to a hazard situation.

[@YourFloridaElectrician]

@carlosh448 the wire sizes for which you speak according to the manufacturer they accept aluminum between 12 to 2 awg and copper between 14 to 2.
You will be fine . You can find this information on the link to the item in the description.