Allergy Panel for Metals?

Answer Allergy testing is the means to discover what substances cause allergies in susceptible individuals. One area of allergy testing involves metals, with the most common metal allergens being nickel, ... Read More »

Top Q&A For: Allergy Panel for Metals

Science on the Similarities of Elements in Metals & Non-Metals?

Of the 100 or so known chemical elements, most are metals, such as cesium, iron and copper. A few elements, such as silicon, boron and tin, occupy a thin strip of territory on the periodic table ca... Read More »

Differences Between Transition Metals & Inner Transition Metals?

Transition metals and inner transition metals appear to be similar in the way they are categorized on the periodic table, but they have significant differences in their atomic structure and chemica... Read More »

Electricity: If a sub panel was wired just like the main panel (ground and neutral bonded) what is the danger?

If you bond the neutral and ground at the sub panel Uncle,then stray currents from the neutral returncould go through the equipment ground on the electrical devicesfed from the sub panel.If you iso... Read More »

How do you calculate the load your electrical panel has on it for example how many devices or total current can be put on a 200A service panel?

Answer for USA, Canada and countries running a 60 Hz supply service.(LIFE SAFETY WARNING! [disclaimer] Electricity is dangerous! You can be injured or killed! Improper installations can cause fi... Read More »