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Subject - problem or am I overreacting?
veganfan At my work place we have new thermolators coming in, and a few of them are Siamese as we call them. Basically two thermolators connected together both water and some electrical are shared, but they are truly two separate pieces of equipment just connected together. Well anyways I noticed name plate had FLA of 39.8A which is awful high. Plus it is on a 20A 480V receptacle. After further investigation I found only one name plate for both thermolators, and a 20A plug for each thermolator. So separate power sources, but one name plate and although primary voltages kept separate the secondary controlled voltages are shared by both.

What are your feelings on this situation? Does it meet code? If not which codes would it violate? Is this system safe?

Any inputs welcome but would love to hear some facts also with NEC back up.

Ryan_J What is the breaker size?

I am thinking 210.21(B)(2), 210.23(A)(2) and perhaps more.
lctrc789 The nameplate rating, are you reading it at 208, 240 or 480 volts?
What size is the breaker, and what is the rating at 480 volts, 208 etc.
It could be that both of them can be ran together, but really hard to say unless I see exactly what you have and the purpose and so forth.
veganfan The name plate is rated for 480V. yes they are ran together. What they have done is add the amp rating of eac one together to come up with one total amp draw, but we are useing two diffent breakers each rated ad 20A.