What is Trade Code Wizard?

Trade Code Wizard is an AI-powered building code assistant that gives tradespeople instant, jurisdiction-aware answers for plumbing (IPC, UPC), electrical (NEC), and HVAC work, plus built-in calculators for pipe sizing, vent sizing, conduit fill, and fixture units.

Which codes and trades does it cover?

It covers plumbing (International Plumbing Code and Uniform Plumbing Code), electrical (National Electrical Code / NFPA 70), and HVAC/mechanical code, with answers tailored for plumbers, electricians, and HVAC technicians.

Is Trade Code Wizard a subscription?

Yes. Trade Code Wizard is a subscription service with a free trial for new users. Sign up at tradecodewizard.com to get started.

What calculators are included?

Built-in calculators include pipe sizing, gas pipe sizing, pipe offset, vent sizing, conduit fill, voltage drop, and service/load calculations, alongside reference tables for wire sizing, fixture units, occupancy loads, egress, and energy code.

Can I use it in the field on my phone?

Yes. Trade Code Wizard is a web app that works on phones, tablets, and desktops, so you can look up code requirements and run calculations right on the jobsite.

Who builds Trade Code Wizard?

Trade Code Wizard is built by Pine Digital Designs, a software studio based in Tacoma, Washington.

Which of the following rooms is on the NEC's dwelling-unit AFCI branch-circuit…

Which of the following rooms is on the NEC's dwelling-unit AFCI branch-circuit protection list in the 2023 NEC (210.12(B))?

A premises has branch circuits from both a 120/208 V system and a 277/480 V system. What does 210.5(C) require for the ungrounded…
On a 3-phase, 4-wire delta system with a high leg, what color is that high-leg ("wild leg") conductor required to be identified with?
For equipment operating at 150 V or less to ground, under the least restrictive working-space condition (Condition 1), what is the minimum…
Which of these dwelling-unit receptacle locations does NOT trigger the GFCI-protection requirement under 210.8(A)?

Take the full free Journeyman Electrician practice test

Trade Code Wizard is not affiliated with, endorsed by, or licensed by the International Code Council (ICC), the National Fire Protection Association (NFPA), IAPMO, the ESCO Institute, NATE, HVAC Excellence, NASCLA, NICET, the U.S. Environmental Protection Agency, PSI, Prov, Pearson VUE, or any state or local licensing board. Exam and code names are used only to identify which examination this study material prepares you for.

These are original practice questions written to publicly published exam content outlines. They are not actual exam questions, and they do not reproduce code text. Explanations cite code sections and state requirements in our own words — always verify against the code edition your jurisdiction has adopted, which may differ from the edition cited here.

Passing is not guaranteed. This is study material, not a substitute for the adopted code, for your licensing board's requirements, or for qualified instruction.

Which of the following rooms is on the NEC's dwelling-unit AFCI branch-circuit protection list in the 2023 NEC (210.12(B))?

Take the full free Journeyman Electrician practice test

Passing is not guaranteed. This is study material, not a substitute for the adopted code, for your licensing board's requirements, or for qualified instruction.

Journeyman Electrician practice question

Journeyman Electrician practice question

Journeyman Electrician practice question

More Journeyman Electrician practice questions

Journeyman Electrician practice question

More Journeyman Electrician practice questions