On the switchboard garages, workshops and home labs often use the same sockets to connect consumers designed for high (220 V) and low (12V) voltage. The danger is the inclusion of 12-volt device in a 220-volt outlet.
To avoid this, I propose to modify the 12-volt plug as the most “risky” of an erroneous connection to the high voltage. All sorts of labels and tags eventually disappear. But if the single pin plugs somewhat shortened — it will be a constant visual reminder.
A. VINOGRADOV, Mogilev
Recommend to read
TABLE UNIVERSAL
In one of the shows can viewers was submitted to design a universal machine, designed by the engraver of the suburban town of Troitsk Y. M. Orlov. Not only a discussion of a design...
THE THREAD IS STRONGER
Wooden handle chisels, drill bits and other tools do not crack from impact, they stuffed a metal ring. Over time, however, the density of planting is reduced: bandage jumps. It may even...
