E Ernesto Member Feb 13, 2008 #1 a) Is there a maximum voltage for panelboards? b) What is the difference between a panelboard and a switchboard? Thanks.
a) Is there a maximum voltage for panelboards? b) What is the difference between a panelboard and a switchboard? Thanks.
B bphgravity Senior Member Location Florida Feb 13, 2008 #2 a. Not per the NEC, as the NEC is not a product standard. I believe panelboards are limtied to 600V or less. Go here: http://database.ul.com/cgi-bin/XYV/...n=versionless&parent_id=1073991788&sequence=1 b. See the definition for each in Article 100 of the NEC.
a. Not per the NEC, as the NEC is not a product standard. I believe panelboards are limtied to 600V or less. Go here: http://database.ul.com/cgi-bin/XYV/...n=versionless&parent_id=1073991788&sequence=1 b. See the definition for each in Article 100 of the NEC.
