June 9, 2026
CAUTIONS CAUTIONS Support> Cautions> Don't Use an Extension Cord Don't Use an Extension Cord Never use an extension cord with your kiln. Voltage drop risk: Extension cords reduce voltage over distance, which can cause the kiln to underperform or overheat wiring. Overheating and fire hazard: Standard extension cords are not rated for the high amperage kilns require. Overloaded cords can melt insulation, damage connections, and start fires. Direct connection is safer: Position the outlet close enough for the kiln’s supplied power cord to plug in directly. Hardwiring required for high-power kilns: Kilns over 48 amps and some three-phase models do not have power cords and must be wired directly to the power supply. Warranty and safety compliance: You can directly wire any kiln without voiding the warranty or affecting the UL499 rating. Use 105°C-rated wire for safe installation.

June 9, 2026

Don't Use an Extension Cord

Never use an extension cord with your kiln.
Voltage drop risk: Extension cords reduce voltage over distance, which can cause the kiln to underperform or overheat wiring.
Overheating and fire hazard: Standard extension cords are not rated for the high amperage kilns require. Overloaded cords can melt insulation, damage connections, and start fires.
Direct connection is safer: Position the outlet close enough for the kiln’s supplied power cord to plug in directly.
Hardwiring required for high-power kilns: Kilns over 48 amps and some three-phase models do not have power cords and must be wired directly to the power supply.
Warranty and safety compliance: You can directly wire any kiln without voiding the warranty or affecting the UL499 rating. Use 105°C-rated wire for safe installation.