The Square D® Homeline® Load Centers and Circuit Breakers, HOM24L70SCP are part of a comprehensive family of circuit protection solutions. Plug on neutral load main breakers centers with lug connections. The surge suppressors use two pole spaces in a QO™ or Homeline™ load center, or NQ panelboard. US and Canadian UL® Listed as Type 2 SPD to the UL 1449 standard. Complies with requirements of NEC® Article 285, CSA 233.1-87, and CSA C22.2 No. 8- M1986 as appropriate.