AC Energy Monitor
Hope this link works http://www.ebay.com/itm/AC-Dual-Display-80-299V-0-60A-Amp-Volt-LED-Combo-Meter-Current-Transformer-/171182139481?pt=LH_DefaultDomain_0&hash=item27db402859
Forum Discussion
The only correction to most of the current transformor comments above.
Though it may be encased in plastic, like it is on a clamp on ammeter. (Which by the way uses the same technology) it's ferrous iron in the core.
Though it may be encased in plastic, like it is on a clamp on ammeter. (Which by the way uses the same technology) it's ferrous iron in the core.
