Warning high voltage on the old metal wall
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High voltage sign on a fence on a background of transformers at sunset top view
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High voltage warning sign on high voltage substation
Sign is on the cover of the exernal socket
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The electrician makes electrical measurements jumps tension electrical safety
Warning high voltage on the old metal wall
The electrician makes electrical measurements jumps tension electrical safety
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Red and white three phase plug and socket isolated
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High voltage yellow triangle warning sign isolated
The electrician makes electrical measurements jumps tension electrical safety
Signal of danger of death by electrocution following an electric shock