Dedicated Circuit Explainer

Interactive tool showing why HVAC equipment needs a dedicated electrical circuit. Toggle appliances on and off to see how shared circuits overload and trip breakers.

For Licensed & Trained HVAC Technicians Only

This checklist is intended exclusively for use by licensed, certified, and trained HVAC professionals. It is not a DIY guide and should not be used by untrained individuals to perform repairs or diagnostics. The purpose of this checklist is to help qualified technicians maintain a consistent, step-by-step workflow so that no critical step is overlooked or skipped during service.

Why You Need a Dedicated Circuit for New Equipment

โœ“ Dedicated Circuitโ€” the right way
โšก
Panel
200A Service
๐Ÿ”ฒ
30A Breaker
Dedicated
ใ€ฐ๏ธ
#10 AWG
240V Wire
๐Ÿ”Œ
Disconnect
Line-of-sight
โ„๏ธ
AC Unit
Running
Running clean โ€” dedicated circuit, no shared load
โœ— Shared Circuitโ€” what happens when you share
โšก
Panel
๐Ÿ”ฒ
20A Breaker
Shared
11A / 20A
Total Load
๐Ÿž
8A
Toaster
๐Ÿ’ก
1A
Light
โ˜•
10A
Electric Kettle
๐Ÿ”Œ
Outlet 4
๐Ÿ”Œ
Outlet 5
11A / 20A โ€” circuit is handling the load, but it's shared.

โš  Sharing a circuit with HVAC equipment will fail inspection and can cause issues with your home insurance. Only a trained, licensed electrician should run a new dedicated circuit for your equipment.

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