Railcar floor structure

A railcar floor structure comprising:

• a plurality of floor panels arranged over an entire length of a passenger room of a railcar in a car longitudinal direction and including respective electric heaters;
• a wiring duct extending in the car longitudinal direction and arranged between a side bodyshell and car width direction end portions of the floor panels;
• an electricity supply cable arranged at the wiring duct, electric power being supplied to the electric heaters through the electricity supply cable;
• a wire insertion opening formed at a side wall portion of the wiring duct, the side wall portion being located close to the floor panels and extending along the car longitudinal direction, the electricity supply cable passing through the wire insertion opening;
• a through pipe provided under a floor, a main cable passing through the through pipe, electric power being supplied through the main cable;
• and
• a terminal block provided above a lower surface of the wiring duct and between the wiring duct and the side bodyshell and including an input portion and an output portion, wherein:
• the electricity supply cable includes a plurality of electricity supply cables connected to the output portion;
• and
• the wiring duct further includes an opening portion provided at an upper wall portion of the wiring duct or a side wall portion of the wiring duct, the side wall portion being located close to the side bodyshell, the electricity supply cables passing through the opening portion.