Thiamin, vitamin B1, works in the form of a co-enzyme (enzyme helper) in reactions that produce energy in our bodies. It helps break down glucose (a simple sugar) for energy in 2 steps of metabolism; helps make DNA and RNA and produce energy-rich molecules that power protein synthesis.
There is no specific requirement in the NEC for the washing machine itself to have GFCI protection. Section 210.52(F) requires a receptacle outlet to be installed for the laundry area and it must be supplied by a 20-ampere branch circuit in accordance with 210.11(C)(2).
But at times, older products with motors will cause the AFCI breaker to trip. This is because the brushes wear down on these older motors, which causes the arc pattern to become irregular and not as rhythmic as when the motor was new. This causes AFCI to detect this as an arc and trip the circuit for safety.