6 minSceau rouge
Size plumbing ventilation to avoid Red Seal exam traps.
Clear method for sizing plumbing ventilation on the Red Seal exam: load units, traps, developed length, slope.
By RedSealPractice
Blog
News, tips and updates about the Red Seal exam
6 minSceau rouge
Electrical demand calculation: master Section 8 to pass the Red Seal exam
Learn how to calculate the electrical demand of a dwelling under Section 8 of the Canadian Electrical Code: basic load (Rule 8-200), demand factors (8-202), small appliance circuits (26-712) and a fully worked example for the Red Seal exam.
By RedSealPractice
7 minSceau rouge
Grounding and bonding: the most tested rules on the Red Seal exam
Master Section 10 of the Canadian Electrical Code for the Red Seal exam: grounding, bonding, grounding conductor sizing (Table 16), electrodes (10-700) and the 25-ohm rule explained with exact Code references.
By RedSealPractice
8 minSceau rouge
The 6 welding defects that cause Red Seal exam failure (and how to avoid them)
The 6 most frequently penalized welding defects on the Red Seal practical exam: porosity, lack of fusion, cracking, undercut, slag inclusions and insufficient penetration. CSA W47.1 tolerances and detailed corrective techniques.
By RedSealPractice
6 minSceau rouge
New Canada plumbing regulations: What changes for the Red Seal exam in 2026
A major update to Chapter III — Plumbing. Since January 1, 2026, the Canadian Electrical Code Chapter III — Plumbing has integrated...
By RedSealPractice
8 minSceau rouge
10 tips to pass the Red Seal exam on your first try
Maximize your chances of passing the Red Seal exam on your first try with these 10 practical tips: mastering the Construction Code, load calculations, time management and proven study strategies.
By RedSealPractice
7 minSceau rouge
New Canadian Electrical Code amendments 2026
Discover the main changes to the Canadian Electrical Code 2026: new GFCI/AFCI requirements, EV charging stations, solar panels and detailed transition period.
By RedSealPractice
9 minSceau rouge
Complete guide: Becoming a certified plumber in Canada in 2026
Step-by-step guide to becoming a certified plumber in Canada in 2026: Plumbing provincial apprenticeship program, Red Seal exam, license and salary outlook.
By RedSealPractice
8 minSceau rouge
Red Seal welder exam: Everything you need to know
Complete guide to the Red Seal exam for welders in Canada: CSA W47.1 standard, electrode types, welding positions, evaluation criteria and practical tips to succeed.
By RedSealPractice
7 minSceau rouge
The most common mistakes on the Red Seal plumbing exam
The 7 most common mistakes on the Red Seal plumbing exam: misinterpreting the Code, slope calculations, vent sizing and tips to avoid them.
By RedSealPractice
8 minSceau rouge
How to choose between SMAW and GMAW welding?
Complete comparison guide between SMAW and GMAW welding for Canada welders: advantages, disadvantages, ideal applications and tips for choosing the right process.
By RedSealPractice
8 minSceau rouge
Everything you need to know about GFCI and AFCI in Canada
Complete guide on GFCI and AFCI in Canada: where to install them, differences between the two devices, new 2026 Code requirements and practical installation tips.
By RedSealPractice