If there is no hot water after a reasonable period of time, check the main fuse box.

如果经过合理的时间，仍然没有产生热水，请检查保险丝是否烧断。

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If you see sparks or broken or frayed wires, or if you smell hot insulation, turn off the electricity at the main fuse box or circuit breaker.

如果你看到冒火花的、断裂的或者磨损的电线，或者闻到绝缘体烧焦的味道，在保险丝盒或者断路器断关闭电路。

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If you see sparks or broken or frayed wires, or if you smell burning insulation, turn off the electricity at the main fuse box or circuit breaker.

如果你看到电火花或破损的电线，或嗅到了绝缘体烧焦的味道，断开主开关柜里活断路器的电源。

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