Technical notes on standards, testing and specification for power-sector and industrial fabrication.
October 1, 2026Transformer tank testing: what buyers should specifyThe factory tests that prove a power transformer tank is leak-tight, strong enough for vacuum filling and ready for assembly.
September 24, 2026CRN registration for pressure vessels in CanadaHow Canadian Registration Numbers work under CSA B51, which authority issues them, and what fabrication records are needed.
September 17, 2026Steel utility poles: design standards and optionsThe standards, shaft shapes, joints, foundations and coatings to consider when specifying steel transmission and distribution poles.
September 10, 2026NEMA vs IP ratings for electrical enclosuresWhat NEMA 250 types and IEC 60529 IP codes mean, how they compare, and which Canadian standards apply to enclosures.
September 3, 2026How to prepare an RFQ for custom metal fabricationThe information a fabricator needs to return a complete, firm quotation without rounds of clarification.