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In the NEC, equipment is 'in sight from' other equipment if visible and not more than how far away?

Visible and within 50 feet.

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  1. 10 feet
  2. 50 feet ✔
  3. 100 feet

Why: 'In sight from' means the equipment can be seen and is no more than 50 feet away. The distance is measured between two pieces of equipment, not from the building.

Huh, didn't know that: A motor controller disconnect must be in sight from the controller location, per 430.102(A).

The dad joke
A lady called an electrician to fix her doorbell. He didn't show up for 4 days. He said, Lady, I've been coming out there for 4 days. I press the bell and nobody comes.
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References

Answer: 50 feet. 'In sight from' means the equipment can be seen and is no more than 50 feet away. The distance is measured between two pieces of equipment, not from the building.

  1. EC&M: Practically Speaking, How Far Is Too Far? www.ecmweb.com/national-electrical-code/article/21285245/practically-speaking-how-far-is-too-far
    equipment that is visible and not more than 50 ft distant from other equipment is in sight from that other equipment.
    Checked 2026-10-10.

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