If a Class A liquid storage tank is placed in a room where the nickel content is within 5%, and no firewall is used to separate it, does the area outside that 5% range still need to be explosion-proof?
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If a Class A liquid storage tank is placed in a room where the nickel content is within 5%, and no firewall is used to separate it, does the area outside that 5% range still need to be explosion-proof? What determines the explosion-proof range? ?
Whether it can prevent explosions depends on the substances placed in the remaining area; **there’s a code for electrical design in explosive environments, so take a look at that!** 5% applies only to the fire classification of factory types.