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This page lists approvals and certifications for Continental Control Systems’ metering products.

Underwriters Laboratories (UL) Listings

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  • E312220: UL 61010-1 (PICQ, PICQ7) Listed WattNode power and energy meters – WNB, WNC, and WND (excluding WND-WR-MB), WND-M1
  • E359088: UL 61010-1 (FTRZ) and UL 2808 (XOBA) UL Listed WattNode power and energy meters – WND-WR-MB
  • E363660: UL 2808 (XOBA, XOBA7) Listed Current Transformers – ACTL-0750, ACTL-1250, CTBL, CTML, SCL-C, TCL-B

Underwriters Laboratories (UL) Recognized Components

  • E312220: UL 61010-1 (PICQ2, PICQ8) WattNode power and energy meters – WND-M0 and MCM
  • E325972: C57.13 (XODW2, XODW8) UL recognized Current Transformers – ACT-0750, CTB, CTM, CT-M01, CT-M02, CT-N01
  • E96927 CTS and CTT Current Transformers

Legacy Product UL Listings

  • WattNode Pulse (WNA-xx-xxx-P): E173475
  • WattNode for LonWorks (WNA-xx-xxx-FT10): E173475
  • WattNode for LonWorks (WNB-xx-xxx-FT10): E173475

ANSI C12.1 Accuracy Standard

WattNode Revenue RWNB, RWNC, and WND Series meters meet the ANSI C12.1-2008 accuracy requirements when used with Option C0.6 ACTL Series Split-core Current Transformers.

Furthermore, the following models of WattNode meters and Accu-CT current transformers—when used together—have been certified by MET Laboratories to the C12.1 standard.

  • RWNC-3Y-208-MB
  • RWNC-3Y-480-MB
  • RWNC-3D-240-MB
  • ACTL-0750-100 Opt C0.6
  • ACTL-0750-200 Opt C0.6

ANSI C12.20 Accuracy Standard

The WattNode Wide-Range (WND-WR-MB) has been certified by MET Laboratories to the C12.20 Class 0.5 standard with the following current transformers.

  • ACTL-0750-200 Opt C0.6
  • ACTL-1250-400 Opt C0.6
  • TCL-B-100



All WattNode meters meet FCC Part 15, Class B; EN 55022: 1994
Current transformers do not contain oscillators or active circuitry and so are exempt.

CE Mark and RoHS Declarations

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  • Immunity: EN 61326-1 (Industrial Locations)
  • Electrostatic Discharge: EN 61000-4-2: (B) Self-Recovering
  • Radiated RF Immunity: EN 61000-4-3: (A) No Degradation
  • Electrical Fast Transient / Burst: EN 61000-4-4: (B) Self-Recovering
  • Surge Immunity: EN 61000-4-5: (B) Self-Recovering
  • Conducted RF Immunity: EN 61000-4-6: (A) No Degradation
  • Voltage Dips, Interrupts: EN 61000-4-11: (B) Self-Recovering

Declarations of Conformity

LonMark Certification

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WattNode for LonWorks models (Plus and Logger) are LonMark® certified.

  • WattNode Plus for LonWorks (WNC-xx-xxx-FT10): 3.4
Program ID: 8:00022:1500:0A:04:07
  • WattNode Logger for LonWorks (WNC-xx-xxx-FT10-L): 3.4
Program ID: 8:00022:1500:0A:04:0A
  • Note: Option B and Option BI models are not LonMark certified

BACnet Testing Laboratories (BTL)

WattNode BACnet meters with firmware version 1.13 and higher are approved for listing by BTL.


BACnet is a registered trademark of ASHRAE. ASHRAE does not endorse, approve or test products for compliance with ASHRAE standards. Compliance of listed products to requirements of ASHRAE Standard 135 is the responsibility of the BACnet International. BTL is a registered trademark of the BACnet International.

See Also

Keywords: safety, standards, UL mark, compliance, C12