Nuodelong Machine & Electric Voltage and HZ Meter

Nuodelong Machine & Electric  Voltage and HZ Meter in Pakistan BR4748 Description Mains electricity by country includes a list of countries and territories, with the plugs , voltages, and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices. (For industrial machinery, see industrial and multiphase power plugs and sockets .) Some countries have more than one voltage available. For example, in North America, most sockets are attached to a 120 V supply, but there is a 240 V supply available for large appliances. Often different sockets are mandated for different voltage or current levels.