... and so on occasions. The plastic unit of the NO-LS modular distribution boxes/distribution boards adopts ABS material with the ... 3, JB/T7121-93. Structure and Feature This distribution boxes/distribution boards enclosure is provided with elegant appearance and ... seriation, which make the products with excellent interchangeability. This distribution box has 6way, 8way, 12way, 16way, 24way and ...