mikeholt.com

Please wait for loading...




      (2144):

    /
     1  ~ 2014 jun 30light fixtures that whislesHigh-Pitched Sound When Lights Turned On - Mike Holt EnterprisesMike, I had a call from my son today regarding his experience in installing a new light fixture and dimmer switch. The fixture has five, 60-watt ...
     1  ~ 2014 jun 29arc flash analysisWhat is Arc Flash ? - Mike Holt EnterprisesArc Flash is the result of a rapid release of energy due to an arcing fault between a ... To perform an arc flash hazard analysis , data is collected about the facility's ...
     1  ~ 2014 jun 08arc flash study
     1  ~ 2014 may 28mike holt electricalMike Holt Enterprises HomeNational Electrical Code explanations, training and tips. Includes downloadable resources and a forum. Mike Holt's ForumFirst - FAQ - Lighting - Advanced Search -
     1  ~ 2014 may 03gfci for machinesGFCI Receptacle Behind Vending Machine - Mike Holt's Forum - Mike Reference NEC 2011 Article 210.8. Is a GFCI receptacle located behind a vending machine considered "readily accessible"?
     1  ~ 2014 apr 30dedicated electrical equipment110.26 Spaces About Electrical Equipment - Mike Holt Enterprises(F) Dedicated Equipment Space. All switchboards, panelboards, distribution boards, and motor control centers must be located in dedicated spaces and ...
     1  ~ 2014 apr 29php estimating softwareMike Holt Estimating SoftwareBefore purchasing estimating software , you should familiarize yourself with Mike Holt's Illustrated Guide to Electrical Estimating. Electrical contractors must know ...
     1  ~ 2014 apr 27amprobe vs idealIdeal or Amprobe - Mike Holt's Forum - Mike Holt EnterprisesDoes anyone here have experience with or own either of the two following circuit ... IDEAL ID-61-958 SureTest® Open/Closed Circuit Tracer ...
     1  ~ 2014 apr 24electrical exam prepMike Holt Exam PreparationInformation on our comprehensive Electrical exam preparation course, questions and answers on passing your exam, exam preparation tips, a link to our online 
     1  ~ 2014 apr 12motor control circuit1 Basic Principles of Motor Controls - Mike Holt Enterprisesmake it safer for operators and maintenance personnel. A motor control circuit , for the most part, is simply a switch (or group of switches) and a motor. If you keep.
     1  ~ 2014 apr 07residential load calculatorResidential Load Calculations - Mike Holt Enterprises
     1  ~ 2014 apr 06mike holt booksMike Holt NEC Books - Mike Holt EnterprisesNEC Books. Select a Year 2005 2008 2011 2014. Having Trouble? Click Here  ...
     1  ~ 2014 apr 06electrical motor control circuitsMotor Control Circuits . Motor control circuits are an effective way to reduce ... 1.1 Motor Control Language. Electrical symbols, words, and line diagrams provide.
     2  +1 2014 jun 23wire bending radiusMinimum wire bending radius - Mike Holt's Forum - Mike Holt I've got a situation where a contractor put in some 500 MCM wire and butchered it pretty badly. Here are the problems, all in about a 12" area: 1 ...
     2  +1 2014 jun 13electrical calculation excelMike Holt Electrical FormulasDescription, Word™, Excel ™, PDF. Arc Blast Calculator .
     2  ~ 2014 jun 01national electrical code tabs2011 National Electrical Code Tabs - Mike Holt EnterprisesThese peel and stick tabs are a great way to customize your Code book. ... These National Electrical Code Tabs are compatible with the 2011 Codebooks and ...
     2  ~ 2014 may 16pvc clamp unistrutUnistrut Clamps - Mike Holt's Forum - Mike Holt EnterprisesAre the metal unistrut clamps acceptable for PVC ? If not, is there a clamp made for PVC ? Frank.
     2  +3 2014 may 03amprobe or idealIDEAL ID-61-958 SureTest® Open/Closed Circuit Tracer mprobe  ...
     2  +2 2014 may 02underground electrical conduit replacementremove and replace wire in underground conduit ... - Mike Holt's in a tenant space, the existing underground conduit is 2" ridged under a ... Electrical Calculations / Engineering; remove and replace wire in ...
     2  ~ 2014 may 02multiwire branch circuitUnderstanding the Dangers of Multiwire Branch CircuitsUnderstanding the Dangers of Multiwire Branch Circuits . By Mike Holt for EC&M Magazine. As in life, there are no benefits without risk. Yes, multiwire circuits ...
     2  +1 2014 apr 17electrical riser diagramsElectrical Riser Diagram - Mike Holt's Forum - Mike Holt EnterprisesCan some one help me understand what is electrical riser diagram ? Does anyone has sample PDF or DWG file which shows the electrical riser ...
     2  ~ 2014 apr 11ground satalite dishesGrounding Satellite Dish and Lead-In Cables - Mike Holt EnterprisesBy Mike Holt, for EC&M Magazine. Q1. I need to know the current NEC rules regarding the use of RG-6 W/messenger ground wire for an 18 in. satellite dish .
     2  ~ 2014 apr 10gfi breakers for poolSwimming Pool Pump GFCI Breaker - Mike Holt's Forum - Mike Holt So, figuring pool pump is 2 hp 230 VAC 1PH with integral thermal ... 680.21 recently started requiring GFCI breakers on pump branch circuit of ...
     2  +8 2014 apr 09electricity load calculatorElectrical Formulas. Articles Free Stuff ... Arc Blast Calculator .
     2  ~ 2014 apr 01stedi volt tvssTvss Claims Energy Savings - Update - Mike Holt EnterprisesHow do I verify and compare this to other TVSS products? www. redivoltmfg .com ..... These claims appear from Redi- Volt & Stedi - Volt on a regular basis.
     2  +1 2014 mar 30sylvania circuit breakersAre obsolete Sylvania Panels listed for use with GE circuit I have seen some Sylvania panels with all GE breakers and am ... Any ideas on the best route to verify what breakers are listed for use in these ...
     2  -1 2014 mar 30residential load calculation
     2  ~ 2014 mar 25wire pulling rope rentalRequest advice on long wire pull (please) - Mike Holt's Forum I can't see how using the #4 as a pull wire would work with the tugger. Any advice or
     3  -1 2014 jun 15led rope lights leakinggreen jelly in rope lights - Mike Holt's Forum - Mike Holt EnterprisesWell the other nite I was over having a drink and looked at the rope lighting , ther was some kind of green jelly build up dripping from the ...
     3  +1 2014 may 29home depot estimating softwareHome Depot Estimating Software - Mike Holt's Forum - Mike Holt So as a "thank you" for my business, Home Depot sent me an email yesterday with a link for their estimating software . Did you know that you ...
     3  +1 2014 may 25différence entre 51n et 51g50/ 51G and 50/ 51N - Mike Holt's Forum - Mike Holt Enterpriseshi, What is the difference between 50/ 51G and 50/ 51N to protect the solid ground transformer? I have unbalance load so which one should I ...
     3  +2 2014 may 22wire bending radius'
     3  +21 2014 may 22electric 80 percent rule80 % Breaker Rating Rule ? - Mike Holt's Forum - Mike Holt EnterprisesList, I've just discovered that the 80 % loading of a breaker rule was eliminated
     3  +5 2014 may 17load bearing wall holesHow Many Holes Can Be Bored In A Load Bearing 2 X 6 Stud ? - Mike Need to move twelve 14/2 NM cables horizontally through a exterior 2 X 6 non insulated load bearing garage wall . Want to bore 7/8 inch holes  ...
     3  ~ 2014 may 13fire rated conduitFire Rating Conductors / Conduit - Mike Holt's Forum - Mike Holt When installed in conduit (standard building wire thhn thwn in EMT RGS) does the conduit help to provide a " fire rating " for the cables. for ...
     3  ~ 2014 may 03coax to ground rodSatellite Coax and grounding - Mike Holt's Forum - Mike Holt Would I be able to run a 10 AWG insulated wire from the COAX grounding block 50 feet around the house to the ground rod or is this too far?
     3  +4 2014 apr 30electrical control motorsThis unit discusses the basic concepts of motor control , including “ motor control ... Motor Control Language. Electrical symbols, words, and line diagrams provide.
     3  +1 2014 apr 24dewalt aftermarket batteryAftermarket replacement batteries for DeWalt ????? - Mike Holt's I have seen plenty of company websites for aftermarket batteries. ... the Nano battery /drill combo) Are there any legitimate aftermarket providers ...
     3  -1 2014 apr 23what is arc flashArc Flash is the result of a rapid release of energy due to an arcing fault between a phase bus bar and another phase bus bar, neutral or a ground. During an arc ...
     3  ~ 2014 apr 18stand alone generator njAdding a Transfer Sw and Stand alone Generator to an existing Is there any way legally to add a transfer switch and generator to an already ... Join Date: Feb 2003; Location: New Jersey ; Posts: 2,363 ... more complicated, optional standby is optional standby no matter where it is installed.
     3  ~ 2014 apr 13electrical panel clearanceRequirements for Electrical Installations - Mike Holt Enterprisesauthority having jurisdiction must approve all electrical conductors and equipment. Figure 110– ... What's the right working clearance for a given installation? • What do the .... such as switchboards, panelboards, industrial control panels , meter.
     3  +1 2014 apr 13tom henrys electrical booksHas Tom Henry's Book Company Changed Hands? - Mike Holt's Forum Code Electrical Classes Inc. 7449 Citrus ... Has Tom Henry's book company been sold or otherwise taken over by someone else. Just not the ...
     3  +3 2014 mar 25plenum rated power cordsPlenum - rated Power Cord - Mike Holt's Forum - Mike Holt EnterprisesGenerally we use SO, SOW, or SJT power cable for our equipment. Customer has requested power cable plenum rated to go under computer  ...
     3  +5 2014 mar 24mercury vapor ballastReplacing Mercury Vapour Ballast - Mike Holt's Forum - Mike Holt Hello everyone, I have a question. Is it safe to replace mercury vapour ballast with metal halide ballast? My office is still using MV lamp for  ...
     4  -2 2014 may 29home depot superbuildSo as a "thank you" for my business, Home Depot sent me an email yesterday ... Go to;
     4  -1 2014 may 24operating currentHOW DO I CALCULATE AC OPERATING CURRENT /VOLTAGE FOR PV? - Mike TRYING TO FILL OUT LABEL REQUIREMENTS, NOT SURE OF FORMULA FOR FIGURING AC OPERATING CURRENT AND OPERATING ...
     4  ~ 2014 may 23home depot estimatingSo as a "thank you" for my business, Home Depot sent me an email yesterday with a link for their estimating software. Did you know that you ...
     4  ~ 2014 may 18grounded transformeGrounding Electrode Conductor at Transformer (12-7-2K) - Mike Holt Mike, I have a transformer installed on a fishing pier (depth of water is 20-30 feet deep). The feeder to the transformer is supplied from service equipment located ...
     4  +1 2014 may 16garage receptacle heightElectrical Outlet Height / Garage - Mike Holt's Forum - Mike Holt I have search the forum for the correct answer but no one is sure. What is the height requirement for an electrical outlet in the garage ?
     4  -1 2014 may 15drip pans for pipingSheet metal drip pans over electric panels? For Sprinkler I have seen situations where "wet" sprinkler piping will "sweat" in high humidity locations and sprinkler couplings can leak. A small drip pan  ...
     4  +1 2014 may 14height receptacle garage
     4  ~ 2014 may 12finding an open circuitFinding an open in a circuit - Mike Holt's Forum - Mike Holt What are some of the proven ways to find an open in an electrical circuit without tearing the house down.
     4  +1 2014 may 08wire temporary lightingArticle 527 - Temporary Installations - Mike Holt EnterprisesAt one time, electricians would install temporary power or lighting under those ... lighting ”) for temporary installations However, you can use cable assemblies, ...
     4  -1 2014 apr 28male male power cordMale to male power cord - Mike Holt's Forum - Mike Holt EnterprisesIs there a code section than prohibits a power cord with a male plug on both ends ? I have made the statement that I will be fired before I let this ...
     4  +6 2014 apr 18invertor vs upsinverter system vs . ups - Mike Holt's Forum - Mike Holt Enterprises1. What is the main different (electrically) between the inverter system ( emergency lighting)and the UPS system? 2. Do I have to have ATS ...
     4  +2 2014 apr 12voltage drop calculationsMike Holt Voltage Drop CalculationsWire calculator based on voltage drop according to National Electrical Code.
     4  -1 2014 apr 09x ray floor slabXRAY Concrete slabs - Mike Holt's Forum - Mike Holt EnterprisesHas anyone had to do this. What does it entail? Thanks.
     4  ~ 2014 apr 07led drivers wikiLED Driver VS. power Supply - Mike Holt's Forum - Mike Holt OK, what is the difference between an LED Driver and a power supply? ... See also
     4  ~ 2014 mar 31schema plc motore dahalanderThis unit discusses the basic concepts of motor control, including “ motor control ... single PLC can replace thousands of relays resulting in less expensive wiring ...
     4  ~ 2014 mar 28silicon controlled rectifierSCRs: What are They and How Do They Work?An SCR , or Silicon An SCR , or Silicon Controlled Rectifier , is a semiconductor, or integrated circuit ( IC), that allows the control of current using a small current.
     4  -1 2014 mar 26doble test videoDoble Testing? - Mike Holt's Forum - Mike Holt EnterprisesThere is not really such thing, just slang. It refers to a Power Factor /Dissapation Factor test done on mostly transformers but also motors and MV ...
     5  -1 2014 jul 02national electric codeNational Electrical Code explanations, training and tips. Includes downloadable resources and a forum.
     5  +2 2014 jul 01shunt trip breakersshunt trip breaker - Mike Holt's Forum - Mike Holt Enterprisesneed to know about installation termination of shunt trip breaker to a 120 volt recepticle in connection with a kitchen commercial range hood..
     5  -1 2014 jun 16photocell control diagramLighting control wiring diagram / detail ? - Mike Holt's Forum Anyone has a combination photocell / time clock detail or installation wiring diagram to control exterior lighting?
     5  ~ 2014 may 30spiritus animalis epubYouth | youth conference, Non-Profit, Youth ebooks - Page 5takes place between December 20, 1955-January 7t... Formats: PDF, Epub , Mobipocket, TXT. Save the Animals and Children Fiction by Robert S. Swiatek ...
     5  +10 2014 may 27new transformer 2 tableTransformer Installation - Mike Holt Enterprisescan be a NEC challenge and transformers can extend that challenge to a new level. ... Step 2 . Primary Protection [450.3]: The primary winding of transformers shall be ... 45 kVA, 54A x 1.25 = 68A, 4 AWG rated 85A at 75°C, Table 310.16.
     5  -2 2014 may 16double meter boxDouble -tap meter base or feed-through panel? - Mike Holt's Forum Can the meter -base load-side lugs be tapped again, eg. with those ... On such a job, I would use a meter /main box on the outside of the pump ...
     5  -1 2014 may 07portable generator groundingGrounding /Bonding a Portable Generator - Mike Holt's Forum - Mike I am using a portable generator that I will only be using with cord and plug ... The manual states that the frame needs to be earth grounded .
     5  ~ 2014 may 03fire rated downlightFire - rated downlight - Mike Holt's Forum - Mike Holt EnterprisesI've got plenty of 8" downlights being recessed into a fire rated ceiling. Typically we would box around the downlight with fire rated gyp or use a ...
     5  +4 2014 may 02emt fence postsemt conduit strapping to a fence , is it legal - Mike Holt's ForumI wouldnt use EMT outside in my area, it doesnt hold up well, if you do, ... The fence support posts are normally spaced out more than the 3' ...
     5  -1 2014 may 01lightining protection softwareSoftware for Lightning Protection - Mike Holt's Forum - Mike Holt Hello all! I've got a question to engineers design of Lightning Protection Systems. What software do you use into your work, especially to ...
     5  +5 2014 may 01watts per square footwatts per square foot calculation - Mike Holt's Forum - Mike Holt The existing configuration will provide the equivalent of approximately six watts per square foot of gross building area for this mostly open ...
     5  ~ 2014 apr 30voltage drop calculation
     5  -1 2014 apr 26anchor meter socketAnchor Meter Sockets - Mike Holt's Forum - Mike Holt EnterprisesI have run across these meter sockets in mobile home parks in several ... anyone know of a source for repair parts for the old Anchor sockets?
     5  -3 2014 apr 24the best conductorWhat's the best conductor ? - Mike Holt's Forum - Mike Holt EnterprisesA colleague and I were discussing the other day about what metal is the best conductor . I've always thought silver was the best, and have even ...
     5  ~ 2014 apr 18transformer insulation classTransformer insulation class - Mike Holt's Forum - Mike Holt Hi We require two 3000 kva,12kv/415v dry type transformers for parellel connection. ... Is this insulation class comply with our specification ?
     5  +2 2014 apr 12cable gland insulatorINSULATION CABLE GLAND - Mike Holt's ForumFrnds .. new here, Just want to know why do we need to used inculation cable gland ? and where we should used it?.. The current project iam ...
     5  +1 2014 apr 03ground telephone systemWhy bond telephone ground rod to electrical ground rod? - Mike I am thinking specifically of a residence where there is a ground rod for the telephone system driven on one side of the house, about 125 ft. from ...
     5  +3 2014 apr 03voltage control guardEnergy Savings with black box devices - Mike Holt's Forum - Mike Voltage Control Guard VCG is making some pretty wild claims on energy reductions with their new black box device and all data or test I have ...
     5  +10 2014 mar 29arc flash protectionThe effect of this paper was to realize the need to protect people from the hazards of arc flash . Four separate industry standards concern the prevention of arc ...
     5  +5 2014 mar 27arc flash testingArc Flash is the result of a rapid release of energy due to an arcing fault .... are an approximation based upon research and testing similar to the short circuit ...
     6  -2 2014 jul 02national electrical code
     6  -2 2014 may 24pulsed dc input to transformerDC through a step up transformer - Mike Holt's Forum - Mike Holt Can DC c be converted to AC current through a step up transformer ?
     6  +1 2014 may 10ground junction boxGROUND SCREWS IN METAL JUNCTION BOXES - Mike Holt's Forum - Mike Do metal junction boxes require a grounding screw with pigtail? ... thus a ground screw in every j-box is not required (the same answer applies ...
     6  -1 2014 may 01indiana electrician licenseMike Holt Electrical Contractor Licensing Boards — Listing by StateLicensing Requirements for Master Electrical licenses , Journeyman Electrical Licenses , Electrical Contractor licenses , and other electrical license types. Click on ...
     6  -1 2014 apr 07double tap neutralsDouble tapping neutral bars - Mike Holt's Forum - Mike Holt I am a new home inspector and when looking at the Square D distribution panel in my own home noticed all of the neutrals were double tapped  ...
     6  -1 2014 apr 04drop voltage calculation
     6  -1 2014 apr 03turbocad vs autocadDoes TurboCad equals AutoCad ? - Page 2 - Mike Holt's Forum - Mike Turbocad vs Autocad . I will take a look at Bricscad, Autocad Lite, and Revit. Thanks for saving me alot of time. Ravenvalor Electrical Contractor
     6  +4 2014 mar 30idaho electrical licenseidaho - Mike HoltIDAHO . click here to select a different state ... A master electrician license will be required for a new supervising electrician designated after July ...
     6  +1 2014 mar 30list of electrical formulas1 Electrician's Math and Basic Electrical Formulas - Mike Holt Ohm's law and the electrical formulas related to it are the foundation of all ... Electrician's Math and Basic Electrical Formulas ..... The NEC lists the alternating- .
     6  +3 2014 mar 29my indoor lights flickerLights Flicker ( Dim ) When AC Starts - Mike Holt EnterprisesAnd I did, but my lights still dim each time the compressor starts! See the .... The indoor outlets on the outside walls are subjected to wide temperature variations.
    1 2 of 22 pages