Tweeted twitter.com/StackJudaism/status/683520947828178944
3 edited tags
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2 changed Reform and Orthodox labels to non-observant and observant which is what the OP means as per his comments
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Benefiting from work done by a Reformnon-observant Jew after Shabbat

OrthodoxObservant Jews do not resume doing melacha after Shabbat until after HavdallahHavdalah. But not all Jews do this. So may you benefit from work done by a Reformnon-observant Jew after Shabbat ends, even if he did not "end" Shabbat with HavdallahHavdalah? Let's say, should you not call them on the phone on Saturday Night?

Benefiting from work done by a Reform Jew after Shabbat

Orthodox Jews do not resume doing melacha after Shabbat until after Havdallah. But not all Jews do this. So may you benefit from work done by a Reform Jew after Shabbat ends, even if he did not "end" Shabbat with Havdallah? Let's say, should you not call them on the phone on Saturday Night?

Benefiting from work done by a non-observant Jew after Shabbat

Observant Jews do not resume doing melacha after Shabbat until after Havdalah. But not all Jews do this. So may you benefit from work done by a non-observant Jew after Shabbat ends, even if he did not "end" Shabbat with Havdalah? Let's say, should you not call them on the phone on Saturday Night?

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Benefiting from work done by a Reform Jew after Shabbat

Orthodox Jews do not resume doing melacha after Shabbat until after Havdallah. But not all Jews do this. So may you benefit from work done by a Reform Jew after Shabbat ends, even if he did not "end" Shabbat with Havdallah? Let's say, should you not call them on the phone on Saturday Night?