作业帮英语翻译6.4.3.4 Hazardous Area Enclosures Enclosures shall be type OA that conform to NEMA 8 and 9,and are classified for the area and the appropriate gas group specified per NEMA 250.All applicable material,fixtures,and construction procedures u
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英语翻译6.4.3.4 Hazardous Area Enclosures Enclosures shall be type OA that conform to NEMA 8 and 9,and are classified for the area and the appropriate gas group specified per NEMA 250.All applicable material,fixtures,and construction procedures u
英语翻译
6.4.3.4 Hazardous Area Enclosures
Enclosures shall be type OA that conform to NEMA 8 and 9,
and are classified for the area and the appropriate gas group
specified per NEMA 250.All applicable material,fixtures,
and construction procedures utilized in the manufacture of
enclosures for hazardous area rectifiers shall be rated by the
item manufacturer for the appropriate classification.The
equipment and enclosure shall be labeled,listed,or certified
for the appropriate area classification as defined by NEC.
Rectifiers for hazardous areas shall have all control
equipment mounted inside the oil enclosure.A separate
control enclosure is not required.However,explosion proof
meter enclosures with a see through face,and an externally
mounted explosion proof circuit breaker are required.
英语翻译6.4.3.4 Hazardous Area Enclosures Enclosures shall be type OA that conform to NEMA 8 and 9,and are classified for the area and the appropriate gas group specified per NEMA 250.All applicable material,fixtures,and construction procedures u
6.4.3.4危险区域外壳,
外壳型办公应当符合NEMA 8号,第9号
并分类的区域和适当的燃气集团
每组规定 250人.所有适用的材料,设备,
和施工步骤用于生产
外壳整流器危险区域,应被
项目生产适当的分类.这
设备和外壳应该打标、上市、或合格
适当的地区