Which is better, NVC electrician socket or bull?

Everything is fine.

1, NVC electrical socket: good quality and strong durability. Affordable and cost-effective. The appearance design is beautiful and generous, which conforms to the modern home decoration style. With a number of national patented technologies, it has the functions of overload protection, overvoltage protection and overcurrent protection, and has strong safety performance.

2. Bull socket: multifunction and expansibility, quality and durability, triple lightning protection design, using imported PC flame retardant materials.