标签：Nema - 英国华人论坛

Electricity and water do not go well together as I’m sure most people are aware. However, dust is equally as bad for electrical components as water. Dust varies in size from tiny airborne particles to larger particles that fall and stick to...英国华人论坛

NEMA (National Electrical Manufacturers Association) has established a range of standards for electrical equipment enclosures.  NEMA codes tend to be used by countries outside of Europe, including the USA. NEMA codes use a number to describ...英国华人论坛