Purification Technology Edition Security Question [145]
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What does a gray casing on electrical equipment indicate? Answer: It indicates that its casing is grounded or connected to neutral.
It indicates that its casing is grounded or connected to neutral.
It indicates that its casing is grounded or connected to neutral.
The color of the casing used for electrical equipment is usually chosen by the user based on overall coordination and aesthetic considerations. It is typically specified in the specifications using color codes; for example, there is a gray code labeled 502, as well as other shades. Some colors are unique to a particular manufacturer, allowing users to identify which factory produced the product just by looking at its color. Some also serve to indicate a certain level or operating condition: high pressure is represented by red, while low pressure is indicated by yellow, for easy differentiation
A gray electrical appliance casing indicates that its casing is grounded or connected to the neutral wire
An electrical appliance enclosure painted gray indicates that it is not electrified under normal conditions; however, it may become electrified in case of a fault, and its enclosure must be grounded or connected to the neutral wire.