About: http://webisa.webdatacommons.org/256049641

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A rectangular well 48 is formed in the bottom 36 for receiving the main circuit breaker 50 which is operative to disconnect the entire electrical system from the power source in the event of a short circuit or other fault.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk