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Type: Posts; User: Davebones

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  1. 150HP motor & pump issues ( Pump looses pressure )

    We have a hydraulic test stand that the operators are trying to get up to 6000 psi on it . They tell me that it gets up to 3700 psi and then drops down to 2000 psi . They claim they've replaced the...
  2. We removed the old 400 watt metal halide ballast...

    We removed the old 400 watt metal halide ballast and wired 480 volt straight to the socket . The driver and everything is built inside the corn cobb LED style bulb from what I understand .
  3. Put up two more of these this weekend . What a...

    Put up two more of these this weekend . What a easy install . Really like the way these look .
  4. LED parking lot replacement corn cobb style bulbs ( FYI )

    This weekend we just replaced 50 of our 400 watt metal halide pole lights with the Olympia CL-100W11H-55K-E39 corn cobb style LED lamps .We had replaced 8 of these about four months ago and are very...
  5. LED Ultra slim recessed light ? No can required , wet rated , dimmable

    Home Depot sells a ( Commercial Lighting recessed light ultra slim Model # 91276 ) Says no can required . Looks like a quick install . Wondered if anyone has installed them and what they thought ???
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    12$$
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    769

    I was told the was in the closed position after...

    I was told the was in the closed position after the so called " Solenoid caught fire "
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    12$$
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    769

    The valve provides water to a Anodizing room with...

    The valve provides water to a Anodizing room with many dip tanks . They set it up this way so if the plant loses power it will shutdown water to this area so we won't have a flooding issue
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    12$$
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    769

    Solenoid on valve caught fire

    Just informed that a water valve " Solenoid " caught fire the other night . Guess the fire department was even called in . I haven't seen the solenoid as I have been off . This valve is a normally...
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    34$$
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    2,923

    We just got three ( 3 ) 30ft long of these...

    We just got three ( 3 ) 30ft long of these containers in that look identical to these refrigeration units except they do not have a generator installed . My question I have is flexible seoow cord...
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    3$$
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    406

    Without more information am I correct to say I...

    Without more information am I correct to say I wouldn't need a ground rod if the 480 volt feed is going to a disconnect that just feeds a air conditioning unit on the trailer ? I haven't seen the...
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    3$$
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    406

    Ground rod for air conditioned trailer

    I have been informed we are getting 3 portable trailers for temporary storage . I was told they will need 3 phase 480 volt with ground , 30 amp ,feed to each trailer. These trailers are air...
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    25$$
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    6,682

    How do you not stand in front of a I-line 480 v ,...

    How do you not stand in front of a I-line 480 v , 600 amp breaker if you have to close it ? Do they make a remote operator for a I-Line style breaker ?
  13. Thread: Firewall ?

    by Davebones
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    3$$
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    339

    Firewall ?

    We have a 30' X 30' computer room . This room is fire rated with drywall all the way to the roof deck . I was asked if anything can be mounted on the wall outside the room and have a anchor like a...
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    4$$
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    448

    Cable would be in conduit and its not part of the...

    Cable would be in conduit and its not part of the permanent building wiring . These stands test hydraulic parts . Might be here 6 months or 6 years ..
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    4$$
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    448

    Type SC cable . Using on a test stand ?

    Have a old hydraulic test stand we are going to rebuild and add a VFD to . This VFD will drive two 75hp motors on it . Due to limited space in the main controller cabinet I really need flexibility...
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    7$$
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    1,811

    I know this is Florida ! I talk to younger...

    I know this is Florida ! I talk to younger electricians and they still work things hot . There's still the hurry up mentality , everything's not being done fast enough . Some say their company's...
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    33$$
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    4,522

    Got my license in the 80's . I didn't want to do...

    Got my license in the 80's . I didn't want to do residential so I continued working large industrial jobs which I enjoyed . Power plants , trash burners , paper mills , phosphate mines , etc ....
  18. Replacing 400w metal haildes with LED's . Parking lot lights ???

    We have around 40 metal halide 400w pole light fixtures in our parking lot . Our company wants to possibility install LED types for the energy saving's . Is there that much of a cost savings going...
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    1$$
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    394

    SCCR ratings on new equipment ?

    I understand new equipment has to have the SCCR label on them . I have the arc flash study book that shows the AFC at each of our panels thru-out the plant . Does individual panel's have to be...
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    52$$
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    5,155

    Can't answer about the bureaucracy the...

    Can't answer about the bureaucracy the contractors endure as I work in a manufacturing plant . Do know we have retirees working for contractors under the table for less . Just don't see the quality...
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    52$$
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    5,155

    Here in Florida they hire anybody as long as the...

    Here in Florida they hire anybody as long as the contractor has the license . There's still contractor's that take pride in their work " Craftsmanship " . Lot of contractors don't care if they hire...
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    9$$
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    1,670

    Anaconda Type EF flexible conduit

    Can Anaconda type EF flexible conduit be used in a class 1 div 2 location with listed fittings ?
  23. VFD output ? Does changes in input voltage affect output

    If the 480v input varies during the day will this affect the output speed of a motor at all ? This is with the speed pot left in the same position .
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    1$$
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    267

    1/4 HP , 120 v motor overload ?

    Is overload protection required on a ex-fan 1/4 HP , not thermally protected , continuous duty , not automatically started ex-fan motor ?
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    0$$
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    341

    Installing New I-line breakers ? Testing ?

    We are installing about 60 "New in the box" Sq D I-line 480V - 20 to 400 amp breakers this weekend . Normally when I install a new breaker I've always turned the breaker on then do a quick phase to...
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