In commercial buildings, protection is required for all 125-volt, single-phase, 15- and 20-ampere receptacles installed in bathrooms, in kitchens, on rooftops, outdoors, within 6 ft (1.8 m) from the outside edge of any sink, in indoor wet locations, in locker rooms with adjacent shower facilities, and in garages, bays, and similar areas.

GFCI protection is required

Explanation:

GFCI

A ground fault circuit interrupter is a circuit breaker specially designed to protect people from electric shock from electrical devices. Given an instance when an individual starts to receive an electric shock, the GFCI sensor senses this and cuts off the power supply before the person get injured.

Article 210.8 of the National Electric Code states that ground-fault circuit-interrupters shall be used for all 125-volt, single-phase, 15- and 20-amp receptacles installed in the following locations: Bathrooms: All receptacles must be GFCI protected.

Given to the statement GFCI protection is required

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr