M mac123 New member May 24, 2011 #1 some debate on the use of reducers from an explosion proof disconnect to the seal off. 1 and 1/4" to 1/2" RE from the box to a 1/2" rigid conduit and then the seal off. within the 18" but RE is above the seal off. article 501.15
some debate on the use of reducers from an explosion proof disconnect to the seal off. 1 and 1/4" to 1/2" RE from the box to a 1/2" rigid conduit and then the seal off. within the 18" but RE is above the seal off. article 501.15
rbalex Moderator Staff member Location Mission Viejo, CA Occupation Professional Electrical Engineer May 24, 2011 #2 The installation described is not prohibited.