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.
The amount of current that travels through the wire is decreased by the amount of resistance encountered by the electricity. Thicker wires hold more current since the electricity flowing through it encounters less resistance. The most commonly used wires for household and office equipment is the TFFN and THHN Wires. These are built in accordance with the National Electric Code which is set to protect you and your household.