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Is it OK to join aluminum wire to copper wire using a junction box?
Wiki User
∙ 14y ago
(LIFE SAFETY WARNING! [disclaimer]
Electricity is dangerous!
You can be injured or killed!
Improper installations can cause fire, injury and death!
1] Combinations of aluminum and copper conductors require precise procedures and materials for proper termination at a splice.
2] All conductors are required by the NEC to terminate in a suitable enclosure whose volume has been determined on the basis of the size, type and number of conductors entering the enclosure, the entry fittings, installed devices, etc. <><><> Copper and aluminum exposed to the air will react and the resulting corrosion will form a very bad, high resistance, connection that will get hot and could start a house fire when high current flows through it. To avoid this risk you need to use special connectors which have been designed to connect aluminum wire to copper wire. <><><> You must use an approved Anti-Oxidant Compound such as "Noalox", or connectors "listed" for that purpose. <><><>
As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
If you do this work yourself, always turn off the power
at the breaker box/fuse panel BEFORE you attempt to do any work
AND
always use an electricians test meter having metal-tipped probes
(not a simple proximity voltage indicator)
to insure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Wiki User
∙ 14y ago
Yes, it is safe to join aluminum wire to copper wire using a junction box as long as it is done properly. Use approved connectors that are designed for connecting dissimilar metals, such as Alumiconn connectors, to ensure a secure and reliable connection. It's also important to follow all applicable electrical codes and guidelines.
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