You may be able to save money in Class I, Class II, and Class III locations by using intrinsically safe apparatus.
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You may be able to save money in Class I, Class II, and Class III locations by using intrinsically safe apparatus. For example:
- You can use a general enclosure with intrinsically safe apparatus [504.10(B)].
- You can use any of the wiring methods suitable for unclassified locations when installing intrinsically safe apparatus [504.20].
