Pressure switch (motor-motor listrik), batu batery, accu, adaptor, power supply, voltage litrik, regulator, charger batery, pesawat telepon, handphone/HP, Televisi, pesawat radio, tape recorder, mesin fotocopy, komputer dan alat-alat perlengkapannya, kabel listrik, step up, step down, fitting, saklar, trafo, transformator, stop kontak, setrikaan listrik, VCD, DVD, Video Tape, kas register, mesin-mesin hitung, alat ukur, kacamata, bingkai kacamata, antena TV, antena radio, parabolapesawat pemadam api, stabilizer, loudspeaker, sekring, alat penangkal petir