The HVAC/Rooftop Inspection.

The electrician installed open wiring inside the HVAC unit and received a red tag during the rooftop electrical inspection. Field installed wiring inside the equipment should be in a wet location raceway such as LFMC or LFNC since this louvered area might subject to weather.
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The electrician installed open wiring inside the HVAC unit and received a red tag during the rooftop electrical inspection. Field installed wiring inside the equipment should be in a wet location raceway such as LFMC or LFNC since this louvered area might subject to weather.

There are many things that the inspector will look for during the rooftop electrical inspection. This inspection should be scheduled when the following items are ready:

Below is a preview of the NEC® (NFPA 70). See the actual NEC® text at NFPA.ORG for the complete code section. Once there, click on their link to free access to the edition of the NEC® being enforced.

NEC 210.63 Heating, Air-Conditioning, and Refrigeration Equipment Outlet. A 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be installed at an accessible location for the servicing of heating, air-conditioning, and refrigeration equipment. The receptacle shall be located on the same level and within 7.5 m (25 ft) of the heating, air-conditioning, and refrigeration equipment. The receptacle outlet shall not be connected to the load side of the equipment disconnecting means.

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The HVAC/Rooftop Inspection.

Below is a Real Question from our Electrical Continuing Education Courses for Electrical License Renewal:

Which of the following is true for the service receptacle required by NEC 210.63?

A: It must be a 3-phase receptacle.
B: The receptacle cannot be mounted adjacent to the HVAC equipment.
C: The receptacle outlet shall be connected to the load side of the equipment disconnecting means.
D: The receptacle shall be located on the same level and within 25 feet of the heating, air-conditioning, and refrigeration equipment.
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