![Amazon.com: GS Power 14 Gauge Wire (14 AWG) - 100 Foot, Pure Copper, Stranded Electrical Wiring for Speaker, Automotive, Trailer, Stereo and Home Theater Applications - Red/Black : Electronics Amazon.com: GS Power 14 Gauge Wire (14 AWG) - 100 Foot, Pure Copper, Stranded Electrical Wiring for Speaker, Automotive, Trailer, Stereo and Home Theater Applications - Red/Black : Electronics](https://m.media-amazon.com/images/I/81+y3G11j-L.jpg)
Amazon.com: GS Power 14 Gauge Wire (14 AWG) - 100 Foot, Pure Copper, Stranded Electrical Wiring for Speaker, Automotive, Trailer, Stereo and Home Theater Applications - Red/Black : Electronics
![Rheem Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric Water Heater RETEX-18 - The Home Depot Rheem Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric Water Heater RETEX-18 - The Home Depot](https://images.thdstatic.com/productImages/83757386-0a3e-45f6-9247-b18c0ca380a8/svn/rheem-tankless-electric-water-heaters-retex-18-a0_600.jpg)
Rheem Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric Water Heater RETEX-18 - The Home Depot
![I bought a roll of 13-14 AWG wire (2.5mm2). According to this chart, I would be safe running a wire from my battery (which is next to my firewall), through the firewall, I bought a roll of 13-14 AWG wire (2.5mm2). According to this chart, I would be safe running a wire from my battery (which is next to my firewall), through the firewall,](https://preview.redd.it/i-bought-a-roll-of-13-14-awg-wire-2-5mm2-according-to-this-v0-ce2fpdbc9soa1.jpg?width=640&crop=smart&auto=webp&s=bd7fc440d94114efb12071bd129fcd39631a1fe4)