Inspection of HVAC Disconnect

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What happens here

The electrician then moves to the main power disconnect for the HVAC unit. He opens the disconnect box and identifies it as a 60 Amp, 240 Volt unit. He notes that it is currently in an 'off' and 'locked out' state, which is a standard safety procedure. Upon opening, the internal components and wiring are visible, showing it is a 3-phase power connection.

Goal: Examine the main HVAC power disconnect

Tools and materials

HVAC Disconnect Box Cutler-Hammer — The main electrical shut-off for the HVAC unit

What they say

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that's going to have a separate circuit and then this device here okay see it's off it's locked out yeah it's a disconnect 60 amp 240 W yeah it's a 60 amp but it's only fed look like number eight wire all right that might be 10 Wire yeah maybe because it's three phas is that allowed 60 amp 10 wire three phas yeah you can do that no problem for 60 amp sure okay so he could have actually used a 30 amp

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