A decent quality electrician’s screwdriver will have its insulation voltage rating stamped on its handle, though the absence of a rating is not necessarily a reason not to use it. A lot of screwdrivers have first-rate insulated handles, but without a voltage rating because they are sold for general-purpose use rather than specifically electronic. When you choose a screwdriver or other tool, consider the amount of plastic it puts between you and the metal, and pick accordingly. Wooden handles may not provide adequate protection, and metal handles should be avoided at all costs.
Need the gas for the generator, or the ELR during emergencies. Usually just use the bolt and elr for home juice during power failures. I answer the lawnmower comment after they approve the moderation.
Coastal BC might be viable for them, here in the “temperate” bit of Ontario they’d be good in April and October.
Very nice hack and well documented, safety issues included. For all the rest of the naysayers, you are far more likely to die driving your electric car than from a charger failure yet most people think nothing of jumping in the car despite it being one of the leading causes of death in the US.
A capacitor stores electricity and is used during the compressor and fan startup for extra power. It also protects the motor from damage due to fluctuating voltage. These capacitors don’t last forever and can go out unexpectedly. If you are comfortable with electrical repairs you can use a screwdriver to discharge the dual start/run capacitor by connecting terminals to short it out, and then replace it with a new one made for the make and model of your A/C. If that’s beyond the level of DIY you’re comfortable tackling, then call a pro.
I can see the benefit of inspection, I guess (that none of your wires popped off or something?). My comment on the relays was not that they were unsuitable, but that using the 240v coil as a 240v detector may or may not be entirely reliable because of holding vs. draw-in currents, box getting dropped, etc. although that’s edge-case engineering to an excessive degree and it really is perfectly fine.
If Handheld Twilight and Multi-Frame NR modes are practical, Sweep Panorama is just plain fun. I’ve always been a fan of panoramic images, and spent more time than I care to remember back in the film days slicing and splicing together 4×6-inch prints with a razor blade and rubber cement, to make panoramas from sequences of individual shots. The Sony A33 and A55′s Sweep Panorama mode does all this for you inside the camera. Again taking advantage of Sony’s high-speed capture technology, Sweep Panorama collects dozens of individual images while you hold down the shutter button and "sweep" the camera from side to side or up and down. The powerful Bionz image-processing engine examines all these images, takes slices from each, applies geometric and tonal corrections to each slice, and then stitches them together into a single panoramic image. The results are stunning, and experimenting is loads of fun.
On the positive side, the mechanism does allow the LCD to be folded facing inwards, providing some degree of protection against minor knocks and smudges when traveling and when you’re content to use the EVF instead. The Xtra Fine LCD panel has a 921,600-dot resolution. The display also uses Sony’s TruBlack technology, which couples a reinforced glass cover plate with anti-reflective film, and a resin filling that removes the air gap beneath the cover plate, which the company says improves contrast and reduces glare under harsh sunlight.
Is it possible, that the discreet triplers (vs. diode split transformer) were in the time of BW-TV? They had lower power. Or the guy tested the AC before the tripler, I think that would make a great difference. Although I also would not do this intentionally. There would also be a nice arc to a grounded screw driver, if you want to test the HT – without any current path through myself, what I really prefer. The electrician, whom you mention, did he really die while testing for voltage with his hand, or was his accident unrelated to this?
I use a variety of a/c and dc fostek ssrs. I have yet to have a problem, but i use them in circuits where 50% of their rated current is the absolute maximum they will ever see.
Level-2 isn’t required for charging at home, but it sure makes life a lot easier. I wouldn’t use or recommend using a standard outlet for Level-1 charging unless it’s a dedicated circuit with it’s own breaker. With the larger battery packs these days Level-2 charging is becoming more popular if not necessary. Consult your electrician, but I personally think pulling wiring that will handle less than 50 amps is a waste of time. You can use a smaller circuit breaker, but the wiring needs to be robust. Most modern homes built in the last 10 years or so should have a 200 amp panel anyway, so you aren’t going to notice an EV plugged in. Again, consult a qualified, licensed electrician. Also, before you let your ‘handy’ brother-in-law install your charging station, be aware if there is a fire from improper installation, your home owner’s insurance will most likely NOT pay for the event.
It’s not that simple according to National Electrical Code (NEC) NFPA 70 for several reasons. Here are some additional factors to be considered:
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