The block  switch  allows you to  cut off the power  general, protecting  so i  addicted to  accidental reactivation  electricity.
 
 Complies with UTE C18-510  for  electricity, OSHA 1910.147  for the  isolation devices and BS7671: 2008  (sections 537.2.2.4 and 537.3.1.2)  for the  working conditions and equipment  safety against operations  involuntary or unauthorized
 Allows you to block most  of the European general switches  and Asians
 Quick and easy to use
 Can be used with all Master Lock® hasps and padlocks