1 Wipe away the first drop of blood with a piece of clean, dry cotton gauze. 2  Since newborns do not often bleed immediately, use gentle pressure to produce a rounded drop of blood. 3  Do not use excessive pressure because the blood may become diluted with tissue fluid. 4  Fill the required microtainer(s) as needed.
You'll likely see labels like THHN or THWN written on the wire. For example, THHN wire stands for thermoplastic high heat-resistant nylon coated wire. THWN stands for thermoplastic heat- and moisture-resistant nylon coated wire. As you can see, these wires are built to take on many different conditions.
Applications Type THHN building wire is intended for general purpose applications as defined by the National Electrical Code (NEC).Type THHN is permitted for new construction or rewiring for 600-volt applications.pplications Type THHN building wire is intended for general purpose applications as defined by the National Electrical Code (NEC).