AC Electrical Safety: What Your Quote Should Cover

A central AC replacement is not only a refrigerant and duct job. It also touches a dedicated electrical circuit, a disconnect switch, and, on new work, GFCI protection. A quote that skips the electrical line item is not a complete quote. The outdoor condenser needs its own breaker sized to the equipment's rated ampacity, a disconnect within sight of the unit, and, if it is new work, code-compliant ground-fault protection.

One near-term fact matters right now. The National Electrical Code's temporary exception that let listed outdoor HVAC equipment skip GFCI protection expired on schedule September 1, 2026. The HVAC industry asked for a two-year extension, the request was rejected, and that rejection is now under appeal, so enforcement is uneven: it depends on which NEC edition your local jurisdiction has adopted and whether it kept, deleted, or delayed this section. If your quote or a builder's electrical panel still assumes the older exemption applies everywhere, verify that before you sign.

What a compliant electrical scope looks like

The GFCI exception expired, and the fight over extending it is not settled

The 2020 NEC expanded GFCI protection to most outdoor dwelling outlets, and outdoor AC and heat pump disconnects were swept into that definition. HVAC manufacturers reported that some variable-speed compressors and ECM fan motors nuisance-tripped GFCI protection, so the code added a temporary carve-out, Exception No. 2 to Section 210.8(F): GFCI protection would not be required for listed HVAC equipment, and that exception would expire September 1, 2026.

It expired on that date, as written. Here is what happened next, checked October 18, 2026:

1. AHRI asked for a two-year extension. The Air-Conditioning, Heating, and Refrigeration Institute filed a Tentative Interim Amendment (TIA Log No. 1924) with NFPA to push the expiration to September 1, 2028 for the 2020, 2023, and 2026 NEC editions, backed by bench testing it said showed continued nuisance-tripping, including GFCIs that tripped below their rated must-hold current. ACCA, the contractor trade association, filed comments supporting the extension.
2. The code panel rejected it. NEC Code-Making Panel 2 voted on the TIA's technical merit and split 10 to 10, short of the approval threshold, so the extension did not pass.
3. Both trade groups appealed. ACCA and AHRI each filed an appeal asking NFPA's Standards Council to reverse the rejection. As of this writing no hearing date has been set, and the Standards Council's next scheduled meeting is December 15, 2026.

So the exception is gone for now, but the industry groups that represent the people installing your equipment are actively contesting that outcome. That is not a reason to panic-replace a working disconnect today. It is a reason to ask two questions before you sign a new quote or accept a proposal that assumes the older rule:

1. Does the local jurisdiction's currently adopted NEC edition include Section 210.8(F) with this HVAC exception, and has that jurisdiction's adoption date already passed the September 1, 2026 expiration?
2. If GFCI protection does apply to your job, does the quote's electrical scope include that hardware at the disconnect or panel, and who is responsible for that cost?

Code adoption timing varies widely by state and local authority having jurisdiction (AHJ). Many states still enforce the 2017 or 2020 NEC, or have deleted or delayed this section locally, so the requirement is not universal on September 1, 2026 even though the national exception lapsed on that date. Trade reporting on how many states are currently affected is inconsistent (estimates from industry groups range roughly from the mid-20s to high-20s), because NFPA does not track local amendments and no government body publishes a live national count. Ask your electrician or the local building department which NEC edition currently governs your permit, rather than assuming either the old exemption or the new requirement applies everywhere.

Who does the electrical work: the HVAC installer or an electrician?

Many HVAC contractors are licensed to make the final connection to an existing dedicated circuit. A new circuit, a panel upgrade, or a disconnect relocation is different work, and many jurisdictions require it to be performed or supervised by a licensed electrician and pulled under an electrical permit. Washington state's Department of Labor and Industries, for example, states that an electrical permit is required for most new, repaired, or replaced electrical work, and that whoever performs the work is responsible for obtaining it. Requirements and licensing exemptions vary by state, so confirm the rule with your local AHJ rather than assuming your HVAC contractor's license covers electrical work by default.

Ask your contractor directly:

• Is the electrical connection being made to an existing dedicated circuit, or is new wiring, a new breaker, or a panel change involved?
• If new wiring or a panel change is needed, who is licensed to do that work, and is it itemized separately in the quote?
• Is an electrical permit being pulled, and by whom?

Signs your existing disconnect needs professional attention

• The disconnect is rusted, cracked, or has a visibly melted or discolored faceplate.
• The disconnect is buried behind landscaping, fencing, or storage and is no longer within sight and readily accessible.
• The breaker trips repeatedly, which can indicate an undersized circuit, a failing component, or a wiring problem rather than a GFCI nuisance trip.
• There is no visible disconnect near the outdoor unit at all, which is common on older installations that predate current disconnect requirements.

None of these are DIY diagnoses. High-voltage electrical work is licensed-professional territory. If you see any of these signs, ask a licensed electrician to inspect the disconnect and circuit before your next AC service or replacement.

How this fits the rest of your quote

Electrical scope is one line item among several that separate a complete replacement proposal from an equipment-only price. Read how to compare AC quotes for the full line-by-line worksheet, the installation checks that confirm electrical, permit, and commissioning items are documented at handoff, and the same "leaving electrical scope vague" mistake from the negotiating side.

If a written proposal is already in hand and the electrical line item still looks vague, an independent quote review can flag what is missing before you sign.

Buyer verdict

Do not accept "electrical included" as a line item. Ask for the circuit size, the disconnect location and type, whether GFCI protection is part of the scope, who is licensed to do the work, and whether a permit is being pulled. None of that adds meaningful cost to a proposal that was already going to do it correctly. It only becomes expensive when it is discovered after the outdoor unit is already set.

Frequently Asked Questions

Does a new central AC need a permit?

Most jurisdictions require a permit for new or replaced electrical circuits and equipment connections, and whoever performs the work is typically responsible for pulling it. Requirements vary by state and local authority, so confirm with your building department rather than assuming your contractor has automatically handled it.

Do I need a GFCI outlet for my outdoor AC unit?

It depends on your jurisdiction's currently adopted electrical code edition. The temporary exception that let listed outdoor HVAC equipment skip GFCI protection expired September 1, 2026, and an industry request to extend it to 2028 was rejected and is now on appeal. Whether that means your job needs GFCI protection right now depends on which NEC edition your city or county enforces and whether it kept, deleted, or delayed this section. Ask your contractor or local building department directly rather than assuming either the old or new rule applies.

Can my HVAC installer do all the electrical work?

Many HVAC contractors can connect equipment to an existing dedicated circuit. New wiring, a new breaker, or a panel change often requires a licensed electrician and a separate electrical permit. Confirm who is licensed to perform each part of the job before you sign.

Where does my AC disconnect need to be located?

The disconnect must be within sight of the outdoor unit, generally understood as no more than 50 feet with a direct line of view, and readily accessible without tools, ladders, or obstacles. It cannot be mounted where it blocks the equipment's nameplate.

Did the HVAC GFCI exception actually expire, or did it get extended?

It expired on schedule, September 1, 2026. The HVAC industry's request to extend it to 2028 (TIA Log No. 1924) was rejected by the NEC code panel on a tied technical-merit vote, and both AHRI and ACCA have appealed that rejection to NFPA's Standards Council. No hearing date has been set as of this writing, and the next scheduled Standards Council meeting is December 15, 2026. Until that appeal is resolved, the exception stays expired at the national model-code level, though local enforcement still depends on which NEC edition your jurisdiction has adopted.

What we could not verify

• A definitive list of which states currently enforce the GFCI requirement. NFPA does not track local code amendments, and industry estimates of how many states are affected this year vary (reported figures range roughly from the mid-20s to high-20s), with no single government source reconciling them.
• The outcome of the ACCA and AHRI appeals. As of October 18, 2026, no hearing date had been set and the NFPA Standards Council's next scheduled meeting was December 15, 2026. This page will need a dated correction once that appeal is decided.
• A list of specific cities or counties that have already enforced the September 1, 2026 expiration in the field, as opposed to adopting the code edition on paper. Enforcement timing after code adoption is a local building-department decision we could not verify nationally.

Sources

Code and appeal facts checked October 18, 2026 unless a date is given.

• NFPA 70, National Electrical Code, 2023 edition (free read-only access)
• ACCA: ACCA Urges National Fire Protection Association to Extend HVAC GFCI Exception Through 2028, August 19, 2026
• ACCA HVAC Blog: ACCA appeals NFPA ruling on GFCI nuisance tripping
• Contracting Business: ACCA, AHRI Appeal NFPA Ruling on HVAC GFCI Requirements
• ACHR News: AHRI, ACCA Seek Delay As HVAC GFCI Deadline Nears
• HomePros: GFCI rule for outdoor HVAC equipment to hit over 20 states
• EPA: Section 608 Technician Certification
• ENERGY STAR: HVAC Quality Installation
• Washington State L&I: Electrical Permit Basics