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.
THHN Wire. THHN wire is commonly used in commercial wiring and residential wiring applications. THHN wire is rated to 600V, 90C and has a coated nylon insulation allowing for easy pulling of the wire through conduit.THHN wire is available in various wire gauge sizes, colors and lengths.HHN wire can also be used as MTW wire or THWN wire. Wire can be purchased in small or large quantities. Solid THHN is only available in 14 gauge and 12 gauge wire sizes.