Dchaisson
New member
- Location
- Boston Ma USA
We sell large air handling equipment.
the unit have Ul labeled control panels
and the entire unit has an ETL listed.
typically there is a single point 480 volt
power connection and a separate 120 volt power connection for
convenience outlets and lighting. This allows service
people to have plugs and lighting while they work on the equipment with the 480 power lovked
off.
The is fed into a generic 100 amp max load center with two or three 20 amp breakers
for the lighting and plugs. Plugs are GFCI.
What size wire and 120 volt breaker has to feed this from the building panel?
Two duplex plugs on one twenty amp breaker
minimal amperage drawn on lighting 10 amps or less.
the unit have Ul labeled control panels
and the entire unit has an ETL listed.
typically there is a single point 480 volt
power connection and a separate 120 volt power connection for
convenience outlets and lighting. This allows service
people to have plugs and lighting while they work on the equipment with the 480 power lovked
off.
The is fed into a generic 100 amp max load center with two or three 20 amp breakers
for the lighting and plugs. Plugs are GFCI.
What size wire and 120 volt breaker has to feed this from the building panel?
Two duplex plugs on one twenty amp breaker
minimal amperage drawn on lighting 10 amps or less.