• IMPORTANT: Please note that nobody on this forum should be seeking from or providing advice to those who are not competent and / or trained and qualified in their field (local laws permitting). There is a discussion thread on this global industry-wide matter HERE. This also has more information about the warning with regards to sharing electrical advice in some countries. By using this forum you do so in agreement to this.
Wetroom Store - Network Wetroom Suppliers
This official sponsor may provide discounts for members

Discuss In what situation is it appropriate to use different colored 4/0 gauge wire? in the American Professional Electrical Advice Forum area at ElectriciansForums.net

Reaction score
0
Hi All,

Background: I work for a solar and electric distribution company and I joined this forum to help myself learn about the more uncommon parts that are sold less often.

Question: In what situation is it appropriate to use different colored 4/0 gauge wire? I understand that amperage reasoning, but, for example, is there a reason why blue 4/0 wire would be used instead of black?
 
Electrical2Go - Online Electrical Supplier
This official sponsor may provide discounts for members

Megawatt

-
Arms
Reaction score
947
Hi All,

Background: I work for a solar and electric distribution company and I joined this forum to help myself learn about the more uncommon parts that are sold less often.

Question: In what situation is it appropriate to use different colored 4/0 gauge wire? I understand that amperage reasoning, but, for example, is there a reason why blue 4/0 wire would be used instead of black?
Solar I’m going to assume that you are talking about 3 phase power or single phase but all 4/0 wire is black. On a 3 phase system at 480/277vac they should be taped PHASE A is brown PHASE B orange and PHASE C is yellow. On a single phase system PHASE A is black and PHASE B is marked red. Some people use blue on phase B on a single phase system
 

Reply to In what situation is it appropriate to use different colored 4/0 gauge wire? in the American Professional Electrical Advice Forum area at ElectriciansForums.net

Top