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What is a choke in electric panel?

Updated: 10/18/2022
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12y ago

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It could be to filter out outside interference from getting out or in. Radio equipment

needs good filtering in the supply.

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12y ago
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Q: What is a choke in electric panel?
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A choke coil placed in series with an electric lamp in an ac circuit causes the lamp to become dim why is it so?

The light is getting dim because the choke is using the energy the lamp should be using. The purpose of the choke is to remove transients; if it is using power at 50 or 60Hz, this is not desirable. My guess is this lamp is using a new energy efficient (not incandescent) light bulb? If this is the case, don't. If this is a choke you added to the lamp, then perhaps it's the wrong type choke (too large inductance). If you added this, it could be that you inadvertently inserted resistance in the lamp wire. Check to make sure nothing is getting hot around your new wiring. A bad solder point could cause this to some degree.