white

box

equipment

energy

light

board

current

electric

electrical

electrician

electricity

generation

power

supply

technology

voltage

wire

line

construction

office

service

home

connect

Finger

panel

click

off

switch

conservation

using

safety

cycle

system

residential

technical

control

automatic

component

installation

circuit

breaker

switcher

checking

automation

fuse

toggle switch

saving energy

fuse box