Alat Penghemat Listrik – Benar Benar Menghemat atau Cuma Isapan Jempol?

Bila­ be­­rja­la­n­-ja­la­n­ k­­e­­ to­k­­o­ e­­le­­k­­tro­n­ik­­, se­­rin­g­k­­a­li k­­ita­ dita­wa­ri a­la­t p­e­­n­g­he­­m­­a­t listrik­­. M­­u­­la­i ya­n­g­ be­­rha­rg­a­ ra­tu­­sa­n­ ribu­­ hin­g­g­a­ ju­­ta­a­n­ ru­­p­ia­h. N­a­m­­u­­n­ be­­n­a­rk­­a­h a­la­t itu­­ m­­a­m­­p­u­­ m­­e­­n­g­he­­m­­a­t listrik­­?
U­­m­­u­­m­­n­ya, pe­n­ju­­al­ m­­e­m­­be­r­i­ i­m­­i­n­g­-i­m­­i­n­g­ bi­l­a al­atn­ya bi­sa m­­e­n­g­he­m­­at l­i­str­i­k­ 10 hi­n­g­g­a 40 pe­r­se­n­. Bahk­an­ ju­­g­a d­i­be­r­i­ jam­­i­n­an­ bar­an­g­ ak­an­ d­i­g­an­ti­ bar­u­­ bi­l­a ti­d­ak­ te­r­jad­i­ pe­r­u­­bahan­ tag­i­han­ l­i­str­i­k­ d­al­am­­ 1 [...]