Electrical Enclosures — lead to short circuiting
The primary concern for most of the instrumentation and electronic controls was the enclosure temperature due to the ambient or heat generated by the electronics. Too much heat and the electronic components could fail or change their operating characteristics. The cabinets always had fans for moving air across the components and in some cases installed on the power components themselves. This was effective when the control panels were installed indoors on factory floors where there were some heating and cooling for employees and equipment.
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