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That is not going to be very bright, 8 8 two-lamp, 4' T8 fixtures will give you about 25 fc, which is not very bright. It would be OK for parking cars but not for doing much work. Typically garages designed for working are lit up to 75-100 fc which would require 3-4 times as many lights. T8...

I do not have anything that uses a 5-20 plug and have only seen a handful of things that have ever used it. Larger room air conditioners in particular used them in the past. I have seen some commercial treadmills, coffee dispensers, server power supply cords, and toasters use 5-20 plugs. But...

There is a lot of single-phase stuff that only runs on 240 volts vs. being able to run on 208 or 240. Single-phase motors in particular are not often able to run on 208 volts, and thus many pieces of single-phase equipment with motors in them are not able to run on 208 volts. Generally purely...

I wouldn't knock Deere too hard on that as most of the other tractor manufacturers make you pay for every single piece of documentation they make, at least Deere will let you download an operator's manual for most of their equipment made in the past few decades for free. Since the piece of...

If you know the serial number, you can download the technical manual in PDF form from Deere's website or have it mailed to you in book form, and that should have the wiring diagram and troubleshooting process in it. The technical manuals for this series of units are a little under $300 though.

White is fine as long as everything or nearly everything isn't white. The current fad of bright white ceilings, walls, trim, cabinets, white quartz countertops, and lighting it all to 100 fc with 5000 K LEDs is just way too much white, even if the floors are not white (generally 8" wide...

Interlock kits are widely available and will work with a panel as long as you are not running some very old panel/breaker type that is no longer made (e.g. FPE, Square D XO, etc.) or if you are running a small panel of <150 amps for some makes. The only interlock type I can see that has anything...

If they can't get gray paint, they'll just use white paint so everything else looks exactly like the kitchen and bathrooms. Or worse, they'll use more of the blue-gray, orange, or chartreuse that they currently use for "accent" painting. That's what we need, everything slathered in heavily...

Propane still is used as a refrigerant (R-290) as is the very similar 2-methylpropane/isobutane (R-600a). In fact, R-600a is the refrigerant of choice in household refrigerators today and R-290 is increasingly used in commercial and industrial applications. Propane and isobutane work well but of...

You will need about 20 of the 8' four-bulb units or 40 of the 4' units (or a combination of the two to yield 80 total T8 bulbs) to light your space to about the recommended 93 fc. 8' units require less wiring and are less expensive than two 4' units but are longer and may not work well if the...

I got just about the same quote from my utility when I had power run. Three phase service installation was $75k/mile. Any equipment that they had to upgrade on their end to handle the additional load would undergo review and none, some, or all of that cost would be charged to the customer...

Incandescents' lifespans largely vary based on how hot the filament is run. The hotter the filament, the more lumens you get and the higher the color temperature, but the shorter the lifespan. The only conventional "normal-sized" tungsten incandescent bulbs available around where I am are the...

The Visual Interior Tool recommended 9 fixtures on a 3x3 grid with the fixtures oriented lengthwise with the long side parallel to the 40' end wall of your building. This yields 97 fc with the default reflectance values, which are probably ballpark correct for your all-white ceiling and walls...

What are you going to be using your space for? That will let us know how bright it should be, which will help to guide us on the number/type of fixtures required and their spacing.

I wonder if this was said as there is a new NEC section (410.7) which bans "reconditioned" luminaires and lampholders. However, retrofitting luminaires and lampholders using NRTL-listed parts according to their installation instructions is permitted. I am curious if that section was put in there...

I would change to the four-prong 14-50 receptacle and appliance cord as you are supposed to update things to the now-current code if anything is modified, and the three-prong 10-50 receptacles haven't been code since the mid-1990s.

You could simply replace the ballasts on the T12 fixtures if the fixtures are otherwise fine and you are happy with the performance of the T12 lamps. If you want something more efficient or slightly brighter but without a lot of glare, you could replace the ballasts in your fixtures with T8...

Generally if you are doing detail-oriented work such as woodworking, you want the area to be lit well. If you are using one of the modeling programs such as Visual3D or Dialux, typically 93 fc is the goal for that kind of work. Many large industrial/commercial installations use cord-connected...

Generally brighter lights are used to light an area with a taller vs. shorter ceiling.

420 feet is a very long way. I would carefully calculate your anticipated loads as voltage drop will be a big issue. In particular, knowing how much power an RV actually draws from "shore power" would be helpful as even though you may connect it to a 50 amp receptacle, it may draw close to that...