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  • 25 Amp Breaker - Electrical Inspections - InterNACHI®️ Forum
    The size is too large, but once again it says the MAXIMUM sized breaker is 25, is the minimum 20 amp by chance? I would suspect that that compressor would be quite happy on a 20 amp breaker, as when running normally it should only be drawing around 75% or less of the maximum, which would be 18 75 amps
  • AC Unit Maximum Breaker - InterNACHI®️ Forum
    I had a question regarding the ac unit maximum breaker If an ac unit is labeled for a maximum 25 amp breaker and a 30 amp breaker was installed in the panel box would this be considered overfused? If so, should a 25 amp breaker be installed? Please let me know Thanks Jim
  • Correct breaker size for an AC unit | Information by Electrical . . .
    The ac unit is connected to a fused disconnect box with 25 A fuses My question is if a 30 amp breaker (cannot find a 25 A GFCI) is okay for this branch or would I need to switch to 10 AWG THHN? I know 240 4 (D) says 12 AWG is limited to 20 A, but NEC 310 16 says 12 AWG THHN has a 30 A ampcity
  • HVAC - HCAR Breakers vs conductor size being protected
    It is not uncommon to see a 50 Amp breaker on a #10 wire The wire is protected against overloading by a separate thermal protection inside the compressor How do we know what the motor requires for wire size and proper fuse breaker protection? It’s all on the mfg label attached to the appliance
  • upgrade 20 amp breaker to 25 on 12 gauge wire | Car Wash Forum
    When calculating the load for lighting that will be on more than 3 hours continuously, you have to add 25% to the load for calculating the total circuit load A 12 gauge wire is rated for 25 amps NEC only allows for it to be protected at a max of 20 amps (unless following an exception for motor loads)
  • 1. 5 HP 230v well breaker size? | Information by Electrical . . .
    #14 AWG conductors and a 20 or 25 amp circuit breaker
  • AC Breaker Sizes Minimum - InterNACHI®️ Forum
    2014 York AC calls for a minimum of 23 7 amp minimum circuit ampacitiy and maximum overcurrent protection 40 The panel legend shows the AC is on a 20 amp breaker I believe you are supposed to round up not down Is this being overkill pedantic or should it be rounded to a 25 amp breaker minimum?
  • Appropriate breaker and wire size for ductless mini split?
    I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size Currently I have a 220v, 30 amp breaker with 10 AWG Romex The electrical characteristics for my LG ductless mini split are as follows: MOP 35 amps MCA 23 amps Cooling rated amps 17 55
  • 200 amp main disconnect outside with a 150 amp main inside
    Hi I did an inspection today and noticed a 200 main disconnect outside and the service panel inside was 150 amp Also outside there were additional circuit breakers under the main I’ve never seen a setup like this before is this allowed Thanks for the help guys
  • #12 thhn on a 25a breaker, why not? - Mike Holts Forum
    The simple answer is that #12 can not be used on a 25 amp breaker because to so do would be a violation (in most circumstances) In all common circumstances, #12 is limited to 20 amps by the NEC not by the laws of physics In other countries with different codes or regulations, but the same laws of physics, it would be allowed





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