8 Gauge Heavy Duty Vinyl Butt Splices 100 Pieces Email Bag of 100 Vinyl Insulated Butt Splice Connectors for 8 AWG Wire. Part #: WT-424005 Part #: WT-424005 Quantity Price ea. 1 + $42.89 42.89 Back to: Vinyl Insulated Butt Connectors / Splices Ask a question about this product 8 Gauge Heavy Duty Vinyl Butt Splices 5 Pieces 6 Gauge Heavy Duty Vinyl Butt Splices 2 Pieces Description 100 Piece bulk bag of red vinyl (PVC) insulated butt splice connectors. Rated for use up to 600 volts. Temperature rating up to 221°F (105°C). For splicing 8 gauge wire. Flared wire entry for easy wire insertion. Made in the USA.