Regulations last checked for updates: Nov 26, 2024

Title 40 - Protection of Environment last revised: Nov 22, 2024
Appendix - Table B-4 to Subpart B of Part 53—Line Voltage and Room Temperature Test Conditions
Test day Line
voltage, 1 rms
Room
temperature, 2 °C
Comments
011525Initial set-up and adjustments.
112520
210520
312530Adjustments and/or periodic maintenance permitted at end of tests.
410530
512520
610520Adjustments and/or periodic maintenance permitted at end of tests.
712530Examine test results to ascertain if further testing is required.
810530
912520Adjustments and/or periodic maintenance permitted at end of tests.
1010520
1112530
1210530Adjustments and/or periodic maintenance permitted at end of tests.
1312520
1410520
1512530

1 Voltage specified shall be controlled to ±1 volt.

2 Temperatures shall be controlled to ±1 °C.

authority: Sec. 301(a) of the Clean Air Act (42 U.S.C. sec. 1857g(a)), as amended by sec. 15(c)(2) of Pub. L. 91-604, 84 Stat. 1713, unless otherwise noted
source: 40 FR 7049, Feb. 18, 1975, unless otherwise noted.