UL listing

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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?
 
J

jim dungar

Moderator
Staff member
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.
 
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