tandem/quad breaker question....mini split install

TomDlgns

OT Supporter
Oct 24, 2004
68,471
breaker panel is full

need to add 20a 240v for mini split

are both scenarios mainly the same?

a) replace existing double with a quad

b) tandem up 2 separate 15a breakers, leaving a double spot open for new 20a 240v

i'm sure you know this already, but i'm curious, can your panel accept a tandem breaker?
 

Remy Bressant

40 big girls and a bottle
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Jul 24, 2015
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borazhasleftthebuilding

borazhasleftthebuilding

half black lives matter, too
OT Supporter
Feb 11, 2005
123,206
in da forest
someone will have something to make it work :rofl:
i have a COMMANDER panel

its OLD....eaton does make breakers for it now, though different companies did in the past

but nobody in town had breakers for it lol

nobody had ac disconnect box

good news that i do have spots in my panel, thought it was full last time i looked at it, so all i wanted was 20a double

SmMzt6o.jpg


the electrical wholesale place didnt have any double breakers in my type, cuz my panel is 'expired' lol and only 1 20a single, :rofl: so we went in the back and rummaged in the used shelves, had a 30a double, and found another 20a single

then went looking for a tie bar, couldnt find one, but an electrician that popped in for some stuff had one in his truck, so SUCCESS

a8Cr018.jpg



cue the banjos
 
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borazhasleftthebuilding

borazhasleftthebuilding

half black lives matter, too
OT Supporter
Feb 11, 2005
123,206
in da forest
Electrical is spooky as fuck
i was thinkin aboot hirin someone to do final hookup

but a real electrician is $115/hr +tax

travel time is at regular rate, so its $230 the second he hops out of the truck

i paid to have the new hot water tank hooked up (to please the insurance company) and that was $700 (incl 1hr of a side job i had him do) on top of the price of the tank

fuck it, ill just hook this up myself, its no more complex than the circuit i ran for irrigation pump or welder

ac disconnect box arrives tuesday, so cant 'finish' it til then, but can mickey mouse the junction until then

oh and that place's electricians are booked 3wks out lol
 
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borazhasleftthebuilding

borazhasleftthebuilding

half black lives matter, too
OT Supporter
Feb 11, 2005
123,206
in da forest
using my counterfeit light :o

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foreground is the breaker i bought, background is the breaker i need

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top is actual breaker for this box.....bottom is the breaker i got sold, not the same size


pmT8fSHWAkC3jnX5mGD0zcrfHMC_pIq5-dIE64OmJ2T9Kv-3hrP6wDDxlajLiPtly8RVzrFZrtzdNFqvGIlNaUGok-AL85jw8-axrvC8f5nYugfMk5MdNo65lm4RvCOQZgMU1hoZMmW5B7wKRuIkiQjsrMUF4qToSPB_0ydwrdPEPHLqDW16hI-_iIBjDXlFynSUJqVA4t3gmU4q4Fs9CDgaZlA2Pzm9YFcnl2yX0TafKXUqOHWLUSbkPCin8j1t_-IUMpSeLCkJzaZMpQU9242Cui0iDnH-66DVKKAxu_OKWWYsLbJ-Q00QlYKpbO9srEKcDtOGGFSM3cZQJEvSgSvPW345Pu1QwVylQYZl8yWM-kzt_oeab6lCNz4iMLS6eBvO5OmjooeRXJQXU2qLE4g7jSr7FvsWPogSGJbByiUwGJsW5hSuuJ8_oedQKhDcuCtA3n7b9jI3R36Kp2Pj1QYL-TPvKWpLq-aDQFs6s14mmygzk2CpnE-GcM2Dvrg4iwYsh3TQs_jxlqp5umCwEYigyXmrgY6Fn53ksDgt91vloGYf9vZusVK4TgluifAgfZLRvr5lyknYxMoq11CW7F24aKn-lzpX6CcGn8YKvHpTvbJ3LHhTcwnDymlzhRUECONlFSmJV79JEgbfMozG7UeygkvABB3acIte-K2lfRQ7GKF1s5ZuUDp02cFY4CmKBXwll9EGrakHrcYhClbHL9qHfq7itHlVy3Jhuhb1nmpiY0FFHNVf4g_lgEn0gT7dFoXWD9FxlVjLiM37zIEODCLWBJb1RJy9QYFAuJxHGTEEhn62oxLGoNbLDlscj5FN8eS7Sxb3=w599-h795-no


itll bolt in, but it wont snap into place at the other end

n1OfGzd.jpg


hopefully the bolts hold :noes:

ITyILss.jpg


success! 🥶

rdWaE14.jpg


while at work, wife used it alot to keep her and the dogs cool, so :bigthumb: i got home and the proper breaker arrived, returned the old ones :bigthumb: ...then i tried hooking up one of these 6 way power monitor so i know what the mini split use is costing me....i wired it up how i thought it should go.....

it showed
245v
5.xx amp
60hz
x.xx power factor
000 w
000 khw

so something was wrong, so i reversed the 3rd and 4th wires and

JYMT7Fu.jpg


:oopsie: 🔥 that was wrong :scootin:
 
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