Not acceptable IMHO in most cases, for a paying customer. If the customer is paying for new materials then that is exactly what they should get.
An exception could reasonably be made in the case of replacement parts that are hard to find new, but only with the specific agreement of the customer.
I would consider used or reclaimed materials to be acceptable if doing a freebie for a friend or relative, but not for a paying customer.
I would be more doubtful about MCBs than most other components since they cant realistically be properly tested.
Not acceptable IMHO in most cases, for a paying customer. If the customer is paying for new materials then that is exactly what they should get.
An exception could reasonably be made in the case of replacement parts that are hard to find new, but only with the specific agreement of the customer.
I would consider used or reclaimed materials to be acceptable if doing a freebie for a friend or relative, but not for a paying customer.
I would be more doubtful about MCBs than most other components since they cant realistically be properly tested.
