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--- pat [2025/06/25 23:20] – created river
+++ pat [2025/11/20 20:12] (current) – river
@@ Line 6: / Line 6: @@
 Power on all test modes is applied between L and N together against earth.
+===== Substitute Leakage =====
+IET PAT testing Code of Practice 5th ed. gives leakage limit of 5 mA. Note
+Hacklab PAT tester has a lower fail limit of (probably) 0.75 mA.