CodeSafe
Trade exam prep platform
The premium exam prep platform for the trades.
Start with your trade. Train with focused practice, clean mock exam flow, and explanations that help you actually understand the work.
Focused
Practice paths
Detailed
Answer explanations
Premium
User experience
CodeSafe Dashboard
Preview concept
Current focus
Gas Technician
License path
G1 / G2 / G3
Mode
Mock + Review
Built to scale across multiple trades.
Structured practice instead of scattered question dumps.
Made to feel serious, clean, and modern from day one.
Choose your trade
One platform. Separate paths for each trade.
Start broad at the platform level, then drill into a trade-specific experience that feels focused and intentional.
G1, G2 & G3 exam prep
Gas Technician
Start with your license path, train by topic, and review clear explanations built around real gas trade logic.
Construction & Maintenance
Electrician 309A
Train with code-based reasoning, calculations, wiring methods, services, motors, and exam-style troubleshooting.
Steamfitter / Pipefitter prep
Steamfitter 307A
Practice with pressure systems, piping layouts, rigging, installation, heating systems, and real exam logic.
Sheet Metal Worker prep
Sheet Metal 308A
Build confidence across layout, fabrication, fastening, blueprints, duct systems, and practical trade questions.
Plumbing mechanic prep
Plumber 306A
Train on code, drainage, venting, water distribution, fixtures, sizing, and practical plumbing troubleshooting.
Automotive Service Technician
Automotive 310S
Sharpen diagnostics, systems knowledge, inspections, electrical understanding, and exam confidence with structured practice.
Truck and Coach Technician
Truck & Coach 310T
Build confidence across inspections, brakes, suspension, drivetrain, electrical, and real-world heavy-duty diagnostics.
Industrial Mechanic Millwright
Millwright 433A
Strengthen your understanding of alignment, bearings, hydraulics, power transmission, rigging, and maintenance reasoning.
Welder trade prep
Welder 456A
Practice trade knowledge across welding processes, joints, positions, symbols, safety, materials, and shop reasoning.
Elevating Devices Mechanic
Elevating Devices 636E
Train on elevating systems, controls, safety devices, components, maintenance logic, and exam-style technical review.
Refrigeration & Air Conditioning
HVAC 313A
A future-ready trade path for refrigeration and air conditioning systems mechanics with strong diagnostic and systems-based prep.
About CodeSafe
Built from trade pressure, not from generic ed-tech ideas.
CodeSafe is designed to feel premium because the people using it are serious. The goal is not just to help users click through questions — it’s to help them prepare with structure, clarity, and confidence.
Built for tradespeople
Focused, practical prep designed around the way technicians actually learn and troubleshoot.
Mock exams with review
Train under pressure, then go back through explanations to tighten weak areas fast.
Clean and premium
A serious, modern experience that feels more like a polished platform than a random quiz site.
Testimonials
The feeling users should get the second they open it.
“The layout feels simple, but it keeps you locked in. It actually feels like a platform, not just a question dump.”
Trades Student
Gas Technician Prep
“The explanations are what make it different. You’re not just memorizing. You’re understanding why the answer is right.”
Apprentice Tech
Exam Practice
“It feels sharper than most prep sites I’ve seen. Cleaner, easier to follow, and way more motivating to use.”
Future Journeyperson
Mock Exam User
Start now
Start with the trade. Build from there.
Gas Technician includes G3, G2, and G1. CodeSafe now spans Electrician 309A, Steamfitter 307A, Sheet Metal 308A, Plumber 306A, Automotive 310S, Truck & Coach 310T, Millwright 433A, Welder 456A, Elevating Devices 636E, and HVAC 313A.