All Questions

Filter by
Sorted by
Tagged with
2
votes
1answer
55 views

Tungsten wattage vs resistive wattage for Smart WiFi outlets?

What is the difference between both of them? There was a post similar to my question, but there was no answer about resistive wattage. I want to buy a wifi outlet and I need to make sure it doesn't ...
2
votes
3answers
85 views

Do I need to switch off A/C external breaker for winter?

My home’s A/C has an external circuit breaker. Do I need to switch it off for the winter?
15
votes
3answers
4k views

Condensor went, HVAC guy is blaming electrician, is this possible?

My brand new HVAC unit, the condensor died. The unit has a sticker that says the following: Minimum Circuit Ampacity 32 amps Max Fuse / Breaker 50 The electrician ran a 8 gauge wire with a 40 ...
4
votes
2answers
138 views

Minimum ampacity for circuits in a home from 1964

I’m attempting to fact-check a seemingly very dubious claim from my landlord, but I’m having a great deal of trouble finding useful information on older electrical codes, especially in a form that I ...
0
votes
2answers
586 views

Turning on AC either resets thermostat or blows fuse

I have an 10-year-old American Standard Freedom 90 HVAC system, with an outdoor AC compressor. My thermostat (Honeywell RTC6580WF 1001) stopped being able to turn the AC on (it could still turn the ...
1
vote
2answers
701 views

Is my A/C circuit break worn out?

My secondary A/C unit has been drawing too much current and trips the breaker. It has happened about 4 times. Yesterday, I spent a bit of money to replace the whole A/C and furnace with one which is ...
0
votes
1answer
5k views

Prevent Portable AC from tripping breaker

I live on the top floor of an apartment in Southern California and it doesn't have central AC. I have a portable unit (11.4 amp, 115 V, 1310 W, 60 Hz) and it keeps tripping my breaker. I don't have ...
1
vote
1answer
331 views

1995 Rheem tripping 40A breaker

We have a 1995 Rheem 3-ton unit cooling the upstairs of our recently purchased home. It has been running frequently, averaging about five hours a day in June. Unfortunately, it has now tripped the ...
0
votes
1answer
44 views

Please help! We have an air conditioning and breaker issue

What is going on if we experience no cool air from our air conditioner? Our inside temperature got up to 85° til we went outside to check out the AC unit and we saw and heard nothing but the ...
1
vote
3answers
390 views

Breaker lets more Amps then its max

The last few day's I had the main breaker triped a few times, I checked the amps with a multimeter and when the central air conditioner turns on it draws 150! amps for 1 second and then goes down to ...
1
vote
5answers
26k views

Low voltage fuse blowing in furnace

I have an outside A/C compressor and indoor furnace fan combo in the attic. The unit was off and the 3 amp fuse was blown. I replaced the fuse and used the thermostat to turn the fan on followed by ...
0
votes
1answer
893 views

internal fuse on air handler blows every time it shuts off

air handler for air conditioner has worked fine since I moved into the house but this year both times the air conditioner has turned on it has not restarted. Both times so far the problem has been ...
0
votes
1answer
575 views

What could be causing our air conditioner circuit breaker to keep tripping?

Our air conditioner circuit breaker marked "AC", is tripping frequently after the AC unit works for a while. Sometimes as long as an hour or more and, sometimes as short as few minutes. We were told ...
11
votes
1answer
113k views

Why is my air conditioner tripping the circuit breaker?

Our air conditioner recently stopped blowing out cold air. When I went to check on it, I noticed that the outside unit wasn't coming on. We had had problems with ants in the contacter in the past, ...
3
votes
3answers
4k views

How do I determine if adding an air conditioner will overload a circuit?

I'm going to take advantage of some Memorial Day sales and pull the trigger on a portable AC unit for my "basement-ish" (bottom of windowsill is mid chest, rather than head height) apartment. Before ...
3
votes
4answers
27k views

Why won't my AC system turn off after I flipped the breaker?

We've got a central cooling air conditioner that was installed in 1984 with a thermostat from that same year. We are replacing the thermostat with a new programmable one (which has a 100% ...