A. Wiring Methods with Interior Access. Except as ... A box must beinstalled atevery outletand switch point ofknobandtube wiring. ... These devices are essentially a onepiece switch/box combo and maybeused with Type MN cable insteadofanbsp;...
|Title||:||Audel Guide to the 2011 National Electrical Code|
|Publisher||:||John Wiley & Sons - 2011-02-14|