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What is the electrical formula to for calculating the number of 15 amp recepticles that can be install on a 15 amp circuit?
Wiki User
∙ 13y ago
There isn't a formula, but the general rule is that you allow for 1 amp per outlet and you load the circuit to 80% of maximum.
For a 15 Amp circuit you can have a maximum of 12 outlets.
Wiki User
∙ 13y ago
To calculate the number of 15 amp receptacles that can be installed on a 15 amp circuit, use the formula: Maximum Number of Outlets = (Breaker Size in Amps x 0.8) / Outlet Rating in Amps For a 15 amp circuit, the calculation is: (15 x 0.8) / 15 = 0.8 Therefore, you can install a maximum of 0.8, but since you cannot install a fraction of an outlet, you can install only 1 15 amp receptacle on a 15 amp circuit to meet safety standards.
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