![]() A simple 110-125v circuit rated at 15 amps. All of these connectors will start with a “5” and a dash, followed by the amperage of the circuit, from 15 amps to 30 amps.īy far the most common connector you’ll run into in the US. ![]() They are three-wire circuits (hot, neutral, and ground) and are rated to carry a maximum of 125 volts, although they usually carry about 110 volts and are referred to as “110 circuits”. ![]() The NEMA 5-series plug and receptacles are the most common found in the US today. The others are standardized by the International Electrotechnical Commission (IEC) under IEC 60320. They also hold the trademark on the term “twist lock”, so when I use it, know that it belongs to them. Some of these connectors standardized by the National Electrical Manufacturers Association (NEMA). However, if you’d like to fly me to your country for a few days, I’ll be more than happy to bring a travel kit and research your electrical code from my hotel room. A note for my international readers: this is going to be focused primarily on US connectors. I wanted to pass on a bit of what I learned to all of you. After all, describing a connector as “one goes like this, the other goes like that” isn’t really helpful, especially over the phone. I figured out pretty quickly that electricians had a language all their own and that I needed to learn how to speak some of it in order to get things accomplished. The need to understand power and the the connectors that go along with it are vital.įabulous secrets were revealed to me the day I pulled up the Internet and started looking up the various codes for connectors that are used in electrical work. ![]() The mightiest Nexus 7k or QFabric deployment can be brought to its knees by inadequate power. However, in the IT world electricity is a key to our jobs. In fact, the last time I tried to do some electrical work ended up with a minor electrocution and me not being able to taste for an hour. ![]()
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