Ac Disconnect Electrical Code

For a room air conditioner such as a window unit an electrical cord plug that can be simply un plugged from the electrical receptacle counts as an acceptable disconnect provided the cord is shorter than 6 ft.

Ac disconnect electrical code.

Aside from the specific categories and chapters in the nec are directly applicable to hvac. The manual controls on the room air conditioner are readily accessible and within 6 ft of the floor or. On a 220vac unit or less than 10 ft. Surge protection is required for dwelling units ground fault protection outdoor emergency disconnects for dwelling units.

The disconnect will be marked as on or off depending on which way it is inserted into the disconnect box. National electrical code introduction the nec is updated on a 3 year cycle and receives several public inputs and public comments for the consideration in the approval of a 2 3 majority by the code making panel of a change to the appropriate article. Find electrical disconnects at lowe s today. The disconnect is a non fuse puller type and is ul listed with an enclosed pull out switch.

The topics covered on this site include activities in which there exists the potential for serious injury or death. The 60 amp 240 volt non fuse metallic ac disconnect the 60 amp 240 volt non fuse metallic ac disconnect is designed to stop the power going to an air conditioning unit to allow for safe working conditions. The national electrical code and heating ventilation and air conditioning have some shared roles for both electricians and hvac installers and technicians. For a 120vac unit.

An attachment plug and receptacle or cord connector can serve as the disconnecting means for a room air conditioner provided click here to see fig. The national electrical code which has been adopted by all 50 states sets the minimum standard for safe electrical design installation and inspection to keep people and property protected from electrical hazards. There are some specific categories in the nec that are applied to hvac and making calculations for circuits and wire sizing for hvac appliances. A readily accessible disconnecting means is within sight from the room air conditioner.

Height of the disconnect box and is the lead to the compressor from disconnect supposed to be armored. Until the air conditioner is operational it is best to insert it in the off position. When it is upside down in the off position the two plates will go into empty slots that do not allow the electricity to flow through the box. The national electric code has another definition for damp locations that is more subjective but if you think the receptacle is going to get wet use an in use.