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  1. mebbe it's a Heat Water Hotter Heater

    mebbe it's a

    Heat Water Hotter Heater
  2. 125% it is then :-)

    125% it is then
    :-)
  3. i think it's a Continuous Load if it's a Storage...

    i think it's a Continuous Load if it's a Storage Tank WH. An Instantaneous WH (and to me, 40kw feels like it may be) is rated at 100%. Not 125%.
    IIRC
  4. Exit Signs

    check out NFPA 101, 7.10.1.9

    Egress markings (i think that's Exit Signs) not more than 6'-8" above the top edge of the opening...

    So, for a 7'-0" door, that's a max of 13'-8" AFF.
  5. I think the "60 Watt Equivalent" is marketing...

    I think the "60 Watt Equivalent" is marketing hype, suggesting that the light output is Equivalent to an ordinary 60 Watt incandescent lamp.
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    thank you-all for helping on this. I believe that...

    thank you-all for helping on this. I believe that I'm over-thinking something that's really very simple.

    A few more details...
    All lights and fan are 120v
    Restroom lights are on Occ Sensor....
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    Restroom Lights are on Occ Sensor ONLY. Not thru...

    Restroom Lights are on Occ Sensor ONLY. Not thru timer or contactor.
    Exh Fan is controlled thru timer/contactor, along with the Main Store lights.
    I'm just wondering if it's proper to use a 20A...
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    EXH fan thru Lighting Contactor

    Anyone see an issue with controlling a 1/8 hp 120v exhaust fan with a Lighting Contactor?
    I'm suggesting to use a SqD 8903L, rated 20A tungsten/30A fluorescent for this.
    It's primarily used as a...
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    gotta love that. "...violation of...

    gotta love that.

    "...violation of impracticality..."

    I might use that in the future.
  10. MAYBE 210.64?

    MAYBE 210.64?
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    California Title 24 130.5b Disaggregation

    so...We have a roughly 2500sf restaurant. 3 RTUs (9 ckts), normal led lighting (maybe 8 ckts), some exterior stuff (site lights, signs, drive-thru equip...6-8 ckts), and lots of kitchen equipment....
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    lot lighting

    And pay attention to the local Zoning Regs. Some localities get very strict wrt Pole Ht, Color Temp, trespass, uplight pollution, BUG ratings, etc.
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    ...re Why will it take so long...? Dunno. It's...

    ...re Why will it take so long...? Dunno. It's PG&E. In San Francisco.

    The Existing service is 400A at 240/1. We are looking at ways of reducing some of our load. Like using only One of the splits...
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    10 ton Splits. And TWO systems, not Three, as I...

    10 ton Splits. And TWO systems, not Three, as I had previously thought.
    CUs are 45 MCA, 208/3 (16kw)
    AHUs are 67 MCA, 208/3 (24kw), which includes 10 kw each for elec heat.
    Totals about 80 kw.
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    and, fortunately, there is 3-phase on the nearby...

    and, fortunately, there is 3-phase on the nearby pole line
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    building is served (underground) from a 1 phase...

    building is served (underground) from a 1 phase transformer on a nearby pole. So the utility (PG&E, this is in San Fran) has some work to do. All would LOVE to get a new service now, but, need to...
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    Phase Converters - 240/1 to 208/3

    Good morning.
    We have an upcoming application (restaurant reno and expansion) where the existing service is 240/1. There is a planned service upgrade to 208/3. But, that upgrade will take place...
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    probably not allowed in plenums

    probably not allowed in plenums
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    RTU loads

    i'm liking 440.4(B).
    seems to say that MCA is all-in.
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    RTU MCA

    yes.
    I am referring to Commercial Rooftop Units.
    Trane, York, Carrier, Lennox, etc
    Between 5 and 10 tons.
    With somewhere between 8 and 15 kw of electric heat.
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    440.4(B) is leading me to believe that MCA is...

    440.4(B) is leading me to believe that MCA is properly loaded.
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    MCA and RTU heat

    yeah, it's my understanding that the MCA, as calculated and published by the mfg, includes all of the loads + 25% of the largest motor. I have always presumed that it included 125% of the heater...
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    loads of RTUs with ELec Heat

    I am struggling(again) with how to include the load of an RTU with electric heat in a service load calc. We have had a few discussions in our office and have not yet come to a definitive solution.
    I...
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    QOC24US

    look up the cover cat number...the catalog says "cover with door is suitable for QO142M200, QO140M225, QO142L225G load centers".
    And those are single phase panels.

    that would be my guess
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    i think not MCA is minimum MOCP is maximum

    i think not
    MCA is minimum
    MOCP is maximum
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