Of course, such equipment is designed so that neither the ungrounded or grounded conductors make contact with the metal ... Virtually all new-house wiring uses three-prong polarized receptacles, so the problem should be minimized in theanbsp;...
|Title||:||Handbook of Simplified Electrical Wiring Design|
|Author||:||John D. Lenk|
|Publisher||:||Simon & Schuster - 1979-02-01|