Elec. subpanel question

Hi,
is it required by code for an MLO subpanel feeder to be in conduit? (residential constr.) Thanks.
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wrote:

nope, you are thinking of taps. That is when the feeder O/C device is on the load side of the feeder.
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Not sure about the code, or what MLO is, but if the feeder is non-metallic sheethed and would otherwise be exposed on a ceiling or wall I would definately consider metal conduit instead. Just take the NM sheathing off the length you need to put into the conduit. You might need to run the feeder into a j-box with the conduit coming out the other end, unless there is some other approved transition device, from NM sheathed to metal conduit.
I know the NEC specifies that any exposed wiring in a basement, garage or workshop (meaning not run through joists or studs behind sheetrock, for example) needs to be BX or armored cable to prevent the conductors from suffering any damage.
I would assume that the same principal applies to an exposed subpanel feeder. If you're trying to save money by not hiring an electrician I would recommend asking the old guys working behind the counter at the electrical supply house in your town.
That, or pull the proper permit and have it inspected. They'll be sure to let you know what's what.
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Really depends on the installation and the local authorities.
In the SW USA outside would be a yes.
Inside and recessed no.
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I googled and came up empty.
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Main Lug(s) Only
Google for "MLO electrical acronym" finds that in a couple of seconds.
--
Regards,
Doug Miller (alphageek at milmac dot com)
  Click to see the full signature.
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From www.acronymfinder.com:
Main Lug Only Mauna Loa Observatory Medical Laboratory Observer Meta-Level Organization Military Liaison Office Milos, Greece - Milos (Airport Code) Ministry of Labour/Ontario Misanthropic Luciferian Order (Satanic cult) Mode-Locked Oscillator Mortgage Loan Officer

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Not only did you answer my question, but you gave me a great website. Thanks.
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"MLO" could refer thes days to Model Lighting Ordinance. There's been some ongoing activity in the lighting industry and the dark-sky groups about such things.
TKM
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