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in the US under NEC 300.50: minimum depth for PVC is 18". You can use rigid to install with only 6" of cover. Measurement is to top of concrete envelope.

I own a plasma cutter that works in a similar way. The unit is capable of running on 240V or 120V single phase. However the plasma cutter can only be turned up to half amperage when fed with 120V single phase.

Thank you for the help I think I've got one found through Digi-key

I started off as a supervisor in a food production facility and quickly moved upwards from there. The original position I took worked was not in the engineering field and involved weekends and shift work. Not very many people were interested in the job. However, you learn quickly in such an...

I'm kind of new to the electrical engineering field (particularly electrical components, etc.) Who would be a good supplier for a dual output power supply? I am not having much luck with an internet search. I need a plug in for 120 VAC and a 5V and -5V outputs. Thank you in advance for your...

Thanks for the help! It is much appreciated. I suppose it may depend on the particular strain gauge used, but does a circuit as described above (comparator - A/D) typically deliver a linear output throughout a certain loading range? Sreid, is this what you mean by chopper stabilized op amp...

First off, to start with I am a mechanical by trade so my foray into electrical circuit design has been a little difficult for me. What I am attempting to do is build a circuit used in a scale application for a consumer product measuring in the weight range of 0-200 lbs. (i.e. lower cost...