Hello and welcome to Just Answer. My name is ***** ***** I will be happy to assist you with your electrical question.
1) Per the national Electrical Code, the following are the bonding requirements for hot tubs. Doesn't matter if the tub has a vinyl liner. The hot tub contains water and water and electricity don't mix well. Therefore, proper bonding of the hot tub is always required to prevent any potential shock hazards. Yes, since the pump motor contains a bonding lug, it must be bonded to be code compliant.
A) Bond the pump motor
B) Bond all metal within 5 feet of the hot tub
C) Minimum bonding conductor is 8 AWG Copper
D) Bond all metal parts and equipment
E) Create an encircling bonding loop around the hot tub
Hope this helps………If you have any additional questions, let me know and I’ll be glad to answer them for you.
Otherwise, don’t forget to rate me before you log Off.
The next time you have an electrical question, you can also request for me at: http://www.justanswer.com/home-improvement/expert-your-electrician ……….Thanks…………..Kevin!