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NOTE: This is an unformatted excerpt from our online fire protection training library.

Identifying Materials & Equipment

Zone Groups

Group IIC is almost the same as Group B, but the dividing values of MESG and MIC ratio are somewhat higher. The maximum value of MESG and MIC ratio for Group IIC are 0.50 mm and 0.45 respectively, compared to respective values of 0.45 mm and 0.40 for Group B.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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