Double pole sockets contain switches that disconnect both live and earth wires. One of a series of large upright poles used to support telephone wires electric cables or the like.
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What does pole mean in electrical terms. Double pole sockets are often used in home lighting situations where red wires are live and black are neutral and the green wires are earth or grounding wires. Positive and negative. In a motor this describes the way the coils in the stator are connected. Single pole switches disconnect the phase conductor only while double pole disconnects both phase and neutral. Electrical pole synonyms electrical pole pronunciation electrical pole translation english dictionary definition of electrical pole. Pole definition is a long slender usually cylindrical object such as a length of wood.
3 pole means that the devices plug is earthed and that it normally has three pins of which two are used to transfer the current and one is used as personal protection. Its also because the wires feeding electricity to the switch are larger and this is due to the fact that double pole switches are usually used to control 240 volt circuits. Electrical polarity is a term used throughout industries and fields that involve electricity. Circuits using only one hot wire need a neutral wire to complete the circuit and. In an atom protons are positively charged and electrons are negatively charged. A 4 pole motor spins at 12 the speed as a 2 pole motor.
This represents the electrical potential at the ends of a circuit. Pole definition a long cylindrical often slender piece of wood metal etc. Electrical poles describe electrical charge which can be positive negative or neutral. A 240 volt circuit needs a double pole switch two hot wires with a voltage of 240 volts between them feed electricity to residential panels in north america and most circuits in the house draw power from one or the other of these wires. There are two types of poles. In a circuit breaker it means that there is another set of contacts that also disconnects the neutral as well as the three energized parts of the curcuit.
As far as itger meanings i couldnt tell you. There is not requirement that you use dp switches but i would recommend it anyway. A battery has a positive terminal pole and a negative terminal pole.