automatic
automation
background
board
breaker
building
button
caution
circuit
compact
control
correctly
current
design
device
differential
domestic
electric
electrical
electricity
electronic
energy
engineering
health
home
house
household
indicator
industrial
industry
life
modern
modular
power
professional
protection
rcd
residual
safe
safety
save
security
supply
surface
switch
table
technical
technology
test
voltage
定額
Residual current device on the table against the background of a residential building. A device for protecting human life and health from touching exposed electrical wires.の素材 [FY310147077582]
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