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Please let us know the lead time of orders, especially wiring accessories so that we can work on a program of the works.

Please let us know the lead time of orders, especially wiring accessories so that we can work as per the program of the work.

Please advise if the above sentences are same meaning.

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anonymousPlease advise if the above sentences are same meaning.

a program of the work(s) doesn't mean anything for me, so I can't say whether the sentences have the same meaning or not.

Maybe you mean this:

Please let us know the lead time of orders, especially regarding the wiring accessories, so that we can adjust our work schedules accordingly.

CJ