CAN/ULC-S530
The Canadian standard for **heat detectors**. Its base document dates from 1991 (S530-M91-REV1, reaffirmed 2018) and is still current — a useful illustration that Canadian revision cycles are far slower than American ones.
The Canadian standard for **heat detectors**. Its base document dates from 1991 (S530-M91-REV1, reaffirmed 2018) and is still current — a useful illustration that Canadian revision cycles are far slower than American ones.