I tested power-saving devices that promise lower electricity bills - only one was legit

I tested power-saving devices that promise lower electricity bills - only one was legit ...
EDN

Thyristor Power Control Devices

Littelfuse, Inc. has introduced two new Alternistor Triac and two new QUADRAC Thyristor Power Control Devices. These devices are designed for use as the switch in a dimmer circuit to adjust the light ...
EDN

Thyristor Power Control Devices from Littelfuse Expand Usable Range of Lighting Spectrum from LED, CFL, and Incandescent Loads

CHICAGO, March 7, 2013 – Littelfuse, Inc., the global leader in circuit protection, has introduced the Q6008LH1LED and Q6012LH1LED Series of Alternistor Triac and Q6008LTH1LED and Q6012LTH1LED Series ...