On this page 3 sections
Three-phase equipment connection: rotation, protection, and a disconnect at the machine
A three-phase equipment connection in Sacramento does not forgive a swapped rotation or a missing disconnect. The connection is the last step of a feed that has to exist. If the building does not have three-phase where the machine sits, that is a distribution job first.
Rotation is proven before it is loaded
The machine runs backwards after a move when the sequence is wrong. We land it in the right sequence and prove it before anyone loads the machine.
Protection at the landing
The listing decides the device. A leftover breaker from the last machine is how a stalled motor becomes a fire.
A disconnect at the machine
So it can be isolated for service without killing the floor. Isolation-only on a feed that is already right is a different page.
Three-phase equipment connection is the last step — the feed has to exist first
A three-phase equipment connection is rotation, protection, and isolation at the unit. Occupied floors and after-hours access are the job. A three-phase equipment connection in Sacramento is permitted when the circuit work is new.
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The feed has to exist
If there is no three-phase at that end of the building, this is not the first page. The connection comes after the feed exists.
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Prove rotation, then load
Swapped legs are how a pump or a compressor is damaged on day one. We prove it before anyone loads the machine.
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What moves the cost
The machine listing, existing voltage, and whether rotation has already been a problem. A three-phase equipment connection in Sacramento is the landing, not a converter on single phase.
When a three-phase equipment connection isn’t the right job
Landing the machine is this job. Missing three-phase at that end of the building, or isolation-only on a sound feed, are not.
The building does not have three-phase where the machine sits
That is three-phase distribution.
Isolation at the unit is missing and the feed is already right
That is commercial disconnects.
Three-phase equipment connections questions
The machine runs backwards after the move.
That is rotation. We land it in the right sequence and prove it before anyone loads the machine.
There is no three-phase at that end of the building.
Then this is not the first page. Getting three-phase there is three-phase distribution. The connection comes after the feed exists.
Can we run it on single phase with a converter?
Not as a plan. Distribution that matches the machines is the three-phase page. This job is the landing once that feed is there.
It needs a disconnect at the unit.
The connection includes one. A disconnect-only finding on a feed that is already right is commercial disconnects.
Can you run 3-phase equipment on single-phase?
Only with listed conversion, and many motors will not take it.
Still not sure it is the right job? Call (279) 972-9272 — available 24 hours.
Serving 19 communities across the Sacramento area
Litel Electric serves businesses throughout all 19 communities in our service area — from Davis and Woodland to Roseville, Folsom, and Elk Grove.
Get estimate
Tell us what is happening, or what you are planning. We read the details, tell you what else we need to know, and explain the next step before anything is scheduled.
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You send the problem or the plan, with the address if you have it.
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We reply with what it involves and what has to be seen in person.
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Nothing is scheduled, and nothing is priced, until the equipment has been looked at.
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