Water heater wiring ?

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Old 12-16-02, 09:10 PM
R
run2car
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Question Water heater wiring ?

Hi, I just updated a rent house from a 60 amp service to a 200 amp service. The original wiring to the hot water heater has only a 2 wire cable. It went from the 60 amp box to a cut off box and then to the water heater. What do I need to go back with? Any help woulb be appreciated. Thanks,

Scott
 
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Old 12-16-02, 10:10 PM
S
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You need 3 wires to a water heater. 2 working wires and a ground wire. This is a MUST on a water heater. Throw the old wire out and start over. While you are at it use a number 10 wire as almost all new heaters require it. On some slow recharge ones they used 12. You use 10 and you can replace without rewiring if you need to.
 
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Old 12-17-02, 03:01 PM
J
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10/2 NM-B cable is the usual wiring for an electric water heater. Remark both ends of the white wire with a black marker.
 
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