Inside A Circuit Breaker With MikesElectricStuff | 19mm Momentary Push Button

This is called Level 1 charging, and assuming you already have basic electric service in your garage, it’s the cheapest way to go. Unfortunately, it’s also the slowest. Depending on the vehicle and its battery capacity, it can take anywhere from eight to nearly 24 hours to bring its power cells up to a full charge.

In plain English, what that means is that the thing AIN’T CERTIFIED FOR ANYTHING. It just means the device has met MINIMAL safety concerns, when operated under typical conditions. It doesn’t say anything about out-of-the-ordinary conditions.

I’d like to say that I’m also grateful to TJ and other contributors for their contributions, inputs and replies, I did learn things and this increased my awareness of potential hazards. [I’m basically a SW developer doing 3.3V electronics, so any insight on mains operations from those who have experience is welcome.] Even though there may be some unwarranted background noise, the discussion is interesting, and dealing with mains surely is worth a few questions. Not knowing is not a problem, not wanting to learn or daring to ask is…

The second was in an industrial setting, working on repairing a 480v-supplied welder in a hard-wired installation. Plant electrician assured me the circuit was locked & tagged out. I trusted him. Sprayed some contact cleaner on the mains relay to start, and took 480v up the spray and into the can (and my hands holding it). That was an unusual sensation.

I couldn’t agree more. I was hesitant to document it at all, but my thinking was that if someone was going to try it, better they have an outline of the traps they face.

Three electrocutions? Better be careful cat, you only have six more left before you will die for real Receiving an electrical shock isn’t an electrocution.

Though, how ever, even with a heat pump, one could lower the power bill a bit more if one takes the power when it is cheapest.

The comments section of this article is disgusting. Most people throwing rocks at TJ have no idea what they’re talking about, or their concerns are obviously apparent to anyone reading TJ’s post.

NEC article 440 was added because air conditioning and refrigeration systems are different from typical loads, like lights and heaters. Air conditioner compressor and fan motors are largely inductive (magnetic) loads and have different characteristics than purely resistive circuits. Article 440 has specific guidelines for HVAC and refrigeration equipment manufacturers to follow when writing the equipment data tags as well as for electricians when sizing conductors.

Browse the most current issue of Design World and back issues in an easy to use high quality format. Clip, share and download with the leading design engineering magazine today.

You are right, of course. I should have used “shock” instead of “electrocution”. English is my secondary language…

Also I have seen opto-couples where the pins have been spayed out to gain an extra 0.1″ between the rows of pins.