
Power Spy™ #9 20A 120v power monitor - NEMA L5-20 to single L5-20 outlet with kWh meter
Click here for an easier way to order your Power Spy™ at my Customize your own page; 30amp Power Spy Customize your own Power Spy™ #9 Power Monitor allows you to monitor your L5-20 (3-prong 120v 20amp twist-lock) outlet's energy usage. Now you can see exactly how much your computer rack, cryptocurrency miners, electric vehicle charging equipment, or anything else equipped with an NEMA L5-20 plug is using for power. The beautiful four color meter tells you instantly what your line voltage is, your amperage draw is, your wattage draw is, and it even accumulates kilowatt-hours (kWh's). You can multiply the kilowatt-hours by your local electrical rate to see how many dollars and cents it cost to run your particular device. We pay approximately $0.125 per kWh here in Las Vegas. The total is accumulated until you press the recessed reset button. The total is even held during power outages. This is a great solution to monitor the cost of operating computer racks, for example using a 120volt