Wiring Done Right

Electrical Wiring and Safety

Testing Equipment, How to Use
Clamp On Current Meter

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This is a nice addition to your tool set, it allows you to measure current draw from an individual item or from an entire circuit

Bellow is a couple of videos explaining how to use a clamp on meter....

 

 

To read the current draw on an entire circuit, you will have to take off the cover over the breakers / fuses at the main service electrical panel, and place the clamp on meter over the ungrounded conductor (hot) attached to the breaker to the circuit you wish to read. Current reading must be done with the circuit live (otherwise there is no current to read). As with any work inside the electrical panel the appropriate cautions should be adhered to, be sure to read the articles on 'electrical safety' and 'main electrical panel'.

Use an AC Line Separator as illustrated in one of the above videos, for measuring the current draw on a particular item plugged into an outlet. Now of course anything you wish to get the current draw reading from must be on at the time of the reading.

 

By: Donald Kerr

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Donald Kerr / Wiring Done Right
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