readAttributeRmsCurrentPhaseB(completion:)
Declaration
func readAttributeRmsCurrentPhaseB(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsCurrentPhaseB() async throws -> NSNumberfunc readAttributeRmsCurrentPhaseB(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsCurrentPhaseB() async throws -> NSNumber