hhsting
Senior Member
- Location
- Glen bunie, md, us
- Occupation
- Junior plan reviewer
Does UL 891 listing indicate that switchboard has main bonding jumper or it’s just listing for switchboards no main bonding jumper?
UL listing
- Thread starter hhsting
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petersonra
Senior Member
- Location
- Northern illinois
- Occupation
- engineer
I think they can be made either way. just like UL Listed MCCs and UL508a listed control panels.
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
Equipment with a removable main bonding jumper would be listed and labeled as Suitable for Use as Service Entrance (SUSE).
Equipment with a non-removable main bonding jumper would be listed and labeled as Suitable for Use Only as Service Entrance.
Equipment with a non-removable main bonding jumper would be listed and labeled as Suitable for Use Only as Service Entrance.
- Status