As a preamble let's review the MT01US Socket Tester, a useful tool designed to test the connectivity of sockets and verify household power protection.
With its 7 LED light patterns, this tester makes it easy to judge the state of the socket at a glance.

When subjected to testing the MT01US Socket Tester proved to be a reliable and effective tool for checking the connection of live wire, neutral wire, and ground wire in a socket. The 7 LED light patterns provide clear indications of any issues, making it simple to identify any problems and take corrective action. The US Plug design and the ability to test for residual operating current and earth resistance make this a versatile and valuable tool.

The only real disadvantage of the MT01US Socket Tester is that it is designed specifically for US plugs so it may not be suitable for use in other regions. However, for those using US plugs, this tester is a strong contender for its reliability, ease of use and versatility in testing for residual operating current and earth resistance.

To sum up the MT01US Socket Tester is a valuable tool for anyone looking to verify the connectivity of their US plug sockets and ensure household power protection. With its easy-to-read LED light patterns, versatility, and reliability, this tester is highly recommended for anyone looking for a quick and simple way to check their sockets.