three black power wires are attached parallel aerated concrete brick electrical wiring the wall gas block

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Three black power wires are attached in parallel to an aerated concrete brick. Electrical wiring in the wall of the gas block Royalty Free Stock Photo
Three black power wires are attached in parallel to an aerated concrete brick. Electrical wiring in the wall of the gas block Royalty Free Stock Photo
   
   
   
   
   
Three black power wires are attached in parallel to an aerated concrete brick. Electrical wiring in the wall of the gas block
   
   
   
   
   
   
   
Three black power wires are attached in parallel to an aerated concrete brick. Electrical wiring in the wall of the gas block close-up.


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