|Publié le 13 septembre 2020 à 16:00||commentaires (0)|
Many pipe support designs such as resting or mechanically fastened supports allow water to collect between the support and the pipe surface, and thus create an ideal environment for crevice corrosion. In some cases, galvanic corrosion can also be a cause for concern. Even though both the support and pipe material are steel, there may still be a small enough potential difference to generate a corrosion cell. Welded supports offer a solution to this problem; however, construction and future ins...Lire tout l'article »
|Publié le 18 juin 2018 à 7:15||commentaires (0)|
It’s not just “Ground is ground”
People familiar with electricity frequently accept the idea that “Ground is ground,” i.e., that in a house, especially with a grounding system that complies with the NEC or CEC, all points of the grounding system are at the same voltage.
The NEC/CEC support this impressi...Lire tout l'article »