Can the electrical engineering field specify the brand of components on the drawings?
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I heard that if a certain brand of components is specified, the business representative of that brand will provide electrical benefits? ?
Regardless of the specialty, the manufacturer of the product cannot be specified on the drawings
Maybe I didn’t express myself very clearly. For example, for an air switch, if you write the model number CHNTxxxxx, even though the manufacturer isn’t specified, it still serves the same purpose: lol
General design drawings provide technical parameters rather than model numbers
In the past, design institutes would specify certain brands; however, now that bidding is required, it is no longer possible to designate specific brands.
Since some of the unwritten rules from the past have become written rules, design institutes can no longer act in that way. Now, they can specify technical requirements in the technical specifications, but they cannot name specific brands or manufacturers, as doing so would be embarrassing. Of course, the industry still has its unwritten rules. . . . The owner’s own technical skills also determine the extent of interference from the design institute. :lol
Yes, last year for a project, the client chose an agent on their own, and we were very unhappy about that as we were in charge of the electrical work
This phenomenon still exists in some cases, and similar issues occur with the instruments as well.
You should specify the brand only after you’ve received the benefits; if you’ve already made the specification, who will then give you those benefits?
The drawings can only specify the technical requirements; the choice of brand is determined through bidding or by the owner selecting three brands.