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    drnewknee's Avatar
    drnewknee Posts: 18, Reputation: 1
    New Member
    		  
    #1

    Sep 2, 2009, 12:14 PM
    5o Amp Double Oven Connected to #8 Gauge Wire
    The installation instructions for this double oven read:

    "This oven requires a separate, grounded 4-wire, 240V (AC), 50 Amp service with its own circuit breaker. Installation must comply with National Electric Code... We strongly recommed connecting this oven to No. 8 gauge copper wire."

    Here is the question: Doesn't a 50 Amp circuit require #6 gauge wire? Why are they recommending #8 gauge wire when, according to my knowledge, #8 is only used for 40 Amps or less?

    Any clarification would be greatly appreciated! Thanks in advanced!
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    Sep 2, 2009, 03:25 PM

    You are partially correct. It depends on the type of insulation and it's temperature rating. #8 Romex and UF cable is limited to 40 amps. USE and THWN are rated for 50 amps, THHW is rated for 55 amps. USE is often used for stove circuits.
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