Was wondering whether anyone can tell me whether there's any difference between an equipment that is marked EEx de and an equipment that is marked EEx ed?
Thanks.
Hi there, was wondering whether anyone can help me out with this issue.
We're trying to procure a 60Hz 250kW Caterpillar diesel generator to be used as an essential generator on an onshore oil and gas plant. The client is requesting that the generator complies with NFPA 110/37. We're having...
Hi there, was wondering whether anyone can point me to a manufacturer who can possibly supply a 2500hp 4kV motor?
It'll drive a booster compressor for low pressure sour gas. Due to a weak power system, there's a possibility of using a soft starter for this motor, but if I can find a motor...
Hi, was wondering if anyone can answer my question.
Is the k-factor for transformers applicable for dry type tfmrs only or do you have to consider it for liquid filled ones as well?
While reading through a client's spec recently, I came across the statement "anti-condensation heaters shall be rated at 240Vac but operated at 120Vac". Does anyone know how/where this statement came about and what are the reasons? Cheers.
All of you are probably familiar with the formula S = I x sqrt(t)/k used to determine the minimum conductor size in mm2. What factor do you put in to get it in American size (AWG/kcmil)?
I tried looking at the NEC but couldn't find anything, and the only way I can think of is to use a...
I was reading a project spec and came across a requirement for dual contactors for hydrocarbon heater circuits. Can anyone tell me why this is required and whether it is covered in any standards, ie ANSI, IEE, BS?
