Feb 28, 2021 · A hermetic refrigerant motor-compressor, or equipment containing such a compres‐ sor, having a protection system that is approved for use with the motor-compressor …

In the 2023 NEC®, language was added in Section 440.14 which requires the disconnecting means for HVAC equipment to meet the working space requirements of NEC® Section 110.26 …

Aug 15, 2013 · Article 440 provides details for sizing branch circuit overcurrent protective devices (OCPDs), branch circuit conductors, and motor overload protection in Parts III, IV, and VI, …

The Nec article 440.14 says that the disconnect means shall be located in sight. But it says it can be installed ON or WITHIN the unit. The question is : Are we obligated to have a disconnect …

Do you know which refrigeration motors have special requirements and which don't? Or what those requirements are? Article 440 applies to electrically driven air-conditioning and …

NEC Section 440.11 provides requirements to ensure that a disconnecting means for HVAC equipment can disconnect the air-conditioning or refrigeration equipment, including motor …

Oct 16, 2009 · The new language in 440.14 is equivalent to saying "For the purposes of 110.26(A), disconnecting means shall be considered to be likely to require examination, …

Apr 24, 2015 · The NEC Handbook says, "Article 440 does not apply unless a hermetic refrigerant motor-compressor is supplied. Article 440 must be applied in conjunction with Article 430."

NEC Article 440 - Free download as PDF File (.pdf) or read online for free. Air conditioning and refrigeration equipments

Apr 12, 2022 · I did notice one thing though, the code article 440.4(A) describes how the compressor must be labeled as "thermally protected" on the equipment nameplate or the …