Wes Davis

Wes Davis

Company name: Air Conditioning Contractors of America (ACCA)
Position: Technical Services Director

Wes Davis serves as the Technical Services Director for ACCA. He manages the development and maintenance of ACCA’s American national standards and technical manuals. He oversees HVACR education and supervises Quality-Assured contractor accreditation.  He oversees the representation of HVAC contractor interests in the model code development process. He directs responses to ACCA member contractor inquiries, as well as those from consumers and code enforcement officials. Wes was a NATE-certified technician and a licensed South Carolina HVAC contractor. He also wrote Bob’s House, and he serves on ASHRAE technical committees and the RESNET’s Standards Management Board.

Tech Tips written:

Why is 240V called “Single-Phase”?
Why is it called single-phase 240 when there are two opposing phases (or legs)? I wondered why we called two 120v opposing legs “single-phase 240” for years. Then someone pointed out to me that a typical “single-phase” pole transformer only has one power leg entering and two coming out. That freaked me out. How can […]
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Flowing Nitrogen? Make Sure You Purged First
Flowing nitrogen while brazing does not mean the air was cleared first. Learn how to purge large ACR piping, choose a practical regulator setup, and estimate time and cylinder use.
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What is a GFI?
First off, the correct acronym for a GFI (ground fault interrupter) is “GFCI” (ground fault circuit interrupter). The purpose is to act as a safety device to protect from electrical shock. GFCIs are important components of electrical safety; they even make an appearance in our electrical safety video. GFCIs can be built into outlets, circuit […]
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