B brandx New member Nov 9, 2004 #1 First and I'm sure not last, what is the maximum horsepower rating for a motor rated 300 volts or less? Second, how do I figure amperage ratings for various size SO cord and how is it listed (named) in the code book
First and I'm sure not last, what is the maximum horsepower rating for a motor rated 300 volts or less? Second, how do I figure amperage ratings for various size SO cord and how is it listed (named) in the code book
roger Moderator Staff member Location Fl Occupation Retired Electrician Nov 10, 2004 #2 Re: Searching for answers Look at tables 430.137 through 430.151 for the highest motor listed in the NEC. This does not necessarily mean there are not motors outside of these tables. Type "SO" is listed as type "SO". See Table 400.4 Roger
Re: Searching for answers Look at tables 430.137 through 430.151 for the highest motor listed in the NEC. This does not necessarily mean there are not motors outside of these tables. Type "SO" is listed as type "SO". See Table 400.4 Roger