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Engineering drawing PBA711 shows Depth of MH**WP box as 6.25", and the 176 Digest lists the MH**WP panel box as 6.5"D , which is correct?
Plant Engineering drawings
Clarification of Plant Engineering drawings
The 6.25"D represented on Drawing PBA711 is is correct if measuring from inside backbox to the inside of the front trim. The Digest 's 6.50" D represents measurements taken from the outside back of the box to outside trim/Door , thus the .25" Depth descrepancy