| 摘要 |
<p>Contacts in electrical distributor for piece of electrical equipment used domestically, such as cooker or washing machine, are formed by row of switches, opening and closing of the whole number of which are controlled by a single manually operated lever on outside wall of distributor. A terminal box has an inlet for branches of the phases, neutral and earth connections, and an outlet with terminals for supply to different points of consumption, whilst push buttons make connections. All functions of distribution and isolation are thus grouped in manner which solves most economically problem of cutting off current from the equipment.</p> |
