Houston Electrician Service
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281-242-0048
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Electrical Knowledge from the Experts
These Houston Electricians Know Best!
"Copper & Aluminum
Approved Devices (CO/ALR)"
Copper and aluminum approved devices(CO/ALR)
Devices designed for the direct hook-up of aluminum wire to the device.
Each device will be marked CO/ALR or cu/al.
Each device will bear the UL listing symbol.
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