The best quality copper wire needs to have uniform electrical strength at all times. However, some points of insufficient electrical strength and capacity may remain in the wire. These spots are called "pinholes". In other words, a "pinhole" is a discontinuity in the enamel coating/covering of a copper conductor.
While a certain number of such "pinholes" are allowed according to industry...
English
Arabic
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian