Steelhead
Senior Member
- Location
- Southeastern Wisconsin
- Occupation
- Industrial Maint/Journeyman
Can the OCPD for the secondary of a XFMR also serve as the branch circuit protection?
XFMR secondary fusing-dual application?
- Thread starter Steelhead
- Start date
- Status
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
You could read article 450.3 as based on using the branch feeder protection as the transformer secondary protection.
Conductor protection is a requirement. Transformer secondary protection is optional.
Conductor protection is a requirement. Transformer secondary protection is optional.
Steelhead
Senior Member
- Location
- Southeastern Wisconsin
- Occupation
- Industrial Maint/Journeyman
Thanks guys. Your answers affirmed what I was thinking.
- Status