Ring Final Circuit Testing for Sockets Wired in 2.5 Twin and CPC Cable (Twin and Earth Cable)

Things of note: finding r1, rn, r2, R1 + Rn, R1 + R2, 1.67 ohms and proving one of the sockets is a spur from the ring.

Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2 and 3.

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