A 30 amp circuit can safely support up to 4 outlets.
On a 20 amp circuit, it is safe to install up to 13 outlets that are rated for 15 amps each.
A GFCI can detect ground faults on the specific circuit it is connected to. If multiple outlets are on the same circuit protected by a single GFCI outlet, the GFCI can protect all of them. However, if the outlets are on different circuits or not downstream from the GFCI, they would need their own GFCI protection.
Circuit loading In Canada the code rule is, there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit.
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ten lights per curcuitCircuit loadingIn Canada there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit.
Depends on what the outlets are controlling, size of the wire, and size of the breaker.
No more than 13.
As posted, the question doesn't make much sense - do you mean spur sockets, rather than plugs? Either way, it will depend on local regulations. In the UK, you can fit one socket on a spur from a socket on a ring main.
The maximum number of standard lighting outlets on a 20 ampere circuit can vary depending on the wattage of the light fixtures and the local electrical code regulations. In general, as a rule of thumb, you can typically have around 10-13 standard lighting outlets on a 20 ampere circuit.
A 15 amp circuit can safely handle up to 1800 watts of power.
Typically, you can install multiple GFCI outlets on one circuit, but it is recommended to consult with a licensed electrician to ensure proper installation and safety.
If they are on the same circuit you only need 1 neutral wire in the circuit.